### Home > CCA > Chapter A > Lesson A.1.7 > ProblemA-76

A-76.

Alicia used 4 gallons of gasoline to travel 90 miles. At the same rate, how far can she travel on a full tank that holds 18 gallons?

Set up a proportion problem to find how many miles Alicia can travel with 18 gallons of gasoline.

$\frac{90}{4}=\frac{\textit{x}}{18}$