Finding the Fourth Proportional to 102,260.14, 141,117.86 and 56,937.14
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Solution
The fourth proportional to 102,260.14, 141,117.86 and 56,937.14 is: 78,572.62
Step by Step Solution
- Step 1: Write the proportion equation
102,260.14 : 141,117.86 = 56,937.14 : x - Step 2: Convert to fraction form
102,260.14/141,117.86 = 56,937.14/x - Step 3: Cross multiply
102,260.14x = 141,117.86 × 56,937.14 - Step 4: Simplify right side
102,260.14x = 8,034,847,351.32 - Step 5: Solve for x
x = 8,034,847,351.32/102,260.14 - Step 6: Final answer
x = 78,572.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.