Finding the Fourth Proportional to 172,043.70, 237,412.62 and 95,568.09
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Solution
The fourth proportional to 172,043.70, 237,412.62 and 95,568.09 is: 131,879.69
Step by Step Solution
- Step 1: Write the proportion equation
172,043.70 : 237,412.62 = 95,568.09 : x - Step 2: Convert to fraction form
172,043.70/237,412.62 = 95,568.09/x - Step 3: Cross multiply
172,043.70x = 237,412.62 × 95,568.09 - Step 4: Simplify right side
172,043.70x = 22,689,070,635.30 - Step 5: Solve for x
x = 22,689,070,635.30/172,043.70 - Step 6: Final answer
x = 131,879.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.