Finding the Fourth Proportional to 102,685.92, 154,027.68 and 36,125.80
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Solution
The fourth proportional to 102,685.92, 154,027.68 and 36,125.80 is: 54,188.28
Step by Step Solution
- Step 1: Write the proportion equation
102,685.92 : 154,027.68 = 36,125.80 : x - Step 2: Convert to fraction form
102,685.92/154,027.68 = 36,125.80/x - Step 3: Cross multiply
102,685.92x = 154,027.68 × 36,125.80 - Step 4: Simplify right side
102,685.92x = 5,564,373,162.14 - Step 5: Solve for x
x = 5,564,373,162.14/102,685.92 - Step 6: Final answer
x = 54,188.28
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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.