pls help me answer this math question

Question

Suppose a 10-year old boy is 51 inches tall and weighs 70.4 pounds while his father is 72 inches tall. compute how much will the father weigh if suppose both of them have similar builds.

Answer 1

Hello Sofia.

You can set up a proportion for these questions:

51 = 72

70.4 x

51*x = 72*70.4

51x = 5068.8

x = 99.4 pounds

Hope that helps