Finding the Fourth Proportional to 97,613.20, 146,201.10 and 77,930.20
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Solution
The fourth proportional to 97,613.20, 146,201.10 and 77,930.20 is: 116,720.70
Step by Step Solution
- Step 1: Write the proportion equation
97,613.20 : 146,201.10 = 77,930.20 : x - Step 2: Convert to fraction form
97,613.20/146,201.10 = 77,930.20/x - Step 3: Cross multiply
97,613.20x = 146,201.10 × 77,930.20 - Step 4: Simplify right side
97,613.20x = 11,393,480,963.22 - Step 5: Solve for x
x = 11,393,480,963.22/97,613.20 - Step 6: Final answer
x = 116,720.70
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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.