Finding the Fourth Proportional to 132,285.07, 182,556.79 and 71,859.17
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Solution
The fourth proportional to 132,285.07, 182,556.79 and 71,859.17 is: 99,167.50
Step by Step Solution
- Step 1: Write the proportion equation
132,285.07 : 182,556.79 = 71,859.17 : x - Step 2: Convert to fraction form
132,285.07/182,556.79 = 71,859.17/x - Step 3: Cross multiply
132,285.07x = 182,556.79 × 71,859.17 - Step 4: Simplify right side
132,285.07x = 13,118,378,657.13 - Step 5: Solve for x
x = 13,118,378,657.13/132,285.07 - Step 6: Final answer
x = 99,167.50
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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.