Finding the Fourth Proportional to 117,102.18, 175,507.02 and 53,854.92
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Solution
The fourth proportional to 117,102.18, 175,507.02 and 53,854.92 is: 80,715.12
Step by Step Solution
- Step 1: Write the proportion equation
117,102.18 : 175,507.02 = 53,854.92 : x - Step 2: Convert to fraction form
117,102.18/175,507.02 = 53,854.92/x - Step 3: Cross multiply
117,102.18x = 175,507.02 × 53,854.92 - Step 4: Simplify right side
117,102.18x = 9,451,916,521.54 - Step 5: Solve for x
x = 9,451,916,521.54/117,102.18 - Step 6: Final answer
x = 80,715.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.