What is 4/3 of 100?
Often, in mathematics or everyday life, we need to find a fraction of a given number. For instance, how would you quickly calculate 4/3 of 100? We'll show you a straightforward method to achieve that.
How to calculate 4/3 of 100?
- Multiply the whole number by the numerator of the fraction: 100 × 4 = 400
- Divide this result by denominator of the fraction: 400/3 = 133.33333333333
Since 400/3 is an improper fraction, the result could also be expressed as a mixed number: 133 1/3
How does it work?
The principle behind finding a fraction of a number, such as 4/3 of 100, is rooted in the method of cross-multiplication.
Consider the following proportion: (where x represents 4/3 of 100)
- Using the cross-multiplication method, multiply both numerators by their opposite denominators:
- Which gives:
- Divide both sides by 3 to isolate x:
- Which gives the result:
Thus, 4/3 of 100 is equal to 400/3 (or 133.33333333333 in its decimal form).