Finding the Fourth Proportional to 130,149.87, 195,001.72 and 87,375.18
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Solution
The fourth proportional to 130,149.87, 195,001.72 and 87,375.18 is: 130,913.00
Step by Step Solution
- Step 1: Write the proportion equation
130,149.87 : 195,001.72 = 87,375.18 : x - Step 2: Convert to fraction form
130,149.87/195,001.72 = 87,375.18/x - Step 3: Cross multiply
130,149.87x = 195,001.72 × 87,375.18 - Step 4: Simplify right side
130,149.87x = 17,038,310,385.31 - Step 5: Solve for x
x = 17,038,310,385.31/130,149.87 - Step 6: Final answer
x = 130,913.00
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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.