Finding the Fourth Proportional to 102,550.10, 153,825.15 and 97,711.70
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Solution
The fourth proportional to 102,550.10, 153,825.15 and 97,711.70 is: 146,567.55
Step by Step Solution
- Step 1: Write the proportion equation
102,550.10 : 153,825.15 = 97,711.70 : x - Step 2: Convert to fraction form
102,550.10/153,825.15 = 97,711.70/x - Step 3: Cross multiply
102,550.10x = 153,825.15 × 97,711.70 - Step 4: Simplify right side
102,550.10x = 15,030,516,909.26 - Step 5: Solve for x
x = 15,030,516,909.26/102,550.10 - Step 6: Final answer
x = 146,567.55
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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.