Finding the Fourth Proportional to 102,540.10, 153,810.15 and 97,701.70
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Solution
The fourth proportional to 102,540.10, 153,810.15 and 97,701.70 is: 146,552.55
Step by Step Solution
- Step 1: Write the proportion equation
102,540.10 : 153,810.15 = 97,701.70 : x - Step 2: Convert to fraction form
102,540.10/153,810.15 = 97,701.70/x - Step 3: Cross multiply
102,540.10x = 153,810.15 × 97,701.70 - Step 4: Simplify right side
102,540.10x = 15,027,513,132.26 - Step 5: Solve for x
x = 15,027,513,132.26/102,540.10 - Step 6: Final answer
x = 146,552.55
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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.