Finding the Fourth Proportional to 121,110.75, 181,695.30 and 38,004.75
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Solution
The fourth proportional to 121,110.75, 181,695.30 and 38,004.75 is: 57,016.28
Step by Step Solution
- Step 1: Write the proportion equation
121,110.75 : 181,695.30 = 38,004.75 : x - Step 2: Convert to fraction form
121,110.75/181,695.30 = 38,004.75/x - Step 3: Cross multiply
121,110.75x = 181,695.30 × 38,004.75 - Step 4: Simplify right side
121,110.75x = 6,905,284,452.68 - Step 5: Solve for x
x = 6,905,284,452.68/121,110.75 - Step 6: Final answer
x = 57,016.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.