Finding the Fourth Proportional to 102,437.92, 153,656.70 and 40,064.68
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Solution
The fourth proportional to 102,437.92, 153,656.70 and 40,064.68 is: 60,096.95
Step by Step Solution
- Step 1: Write the proportion equation
102,437.92 : 153,656.70 = 40,064.68 : x - Step 2: Convert to fraction form
102,437.92/153,656.70 = 40,064.68/x - Step 3: Cross multiply
102,437.92x = 153,656.70 × 40,064.68 - Step 4: Simplify right side
102,437.92x = 6,156,206,515.36 - Step 5: Solve for x
x = 6,156,206,515.36/102,437.92 - Step 6: Final answer
x = 60,096.95
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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.