Finding the Fourth Proportional to 123,344.18, 185,081.11 and 87,551.62
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Solution
The fourth proportional to 123,344.18, 185,081.11 and 87,551.62 is: 131,373.45
Step by Step Solution
- Step 1: Write the proportion equation
123,344.18 : 185,081.11 = 87,551.62 : x - Step 2: Convert to fraction form
123,344.18/185,081.11 = 87,551.62/x - Step 3: Cross multiply
123,344.18x = 185,081.11 × 87,551.62 - Step 4: Simplify right side
123,344.18x = 16,204,149,648.73 - Step 5: Solve for x
x = 16,204,149,648.73/123,344.18 - Step 6: Final answer
x = 131,373.45
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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.