Home / 275,680.17-413,577.66-86,132.88

Finding the Fourth Proportional to 275,680.17, 413,577.66 and 86,132.88

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Solution

The fourth proportional to 275,680.17, 413,577.66 and 86,132.88 is: 129,217.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,680.17 : 413,577.66 = 86,132.88 : x
  2. Step 2: Convert to fraction form
    275,680.17/413,577.66 = 86,132.88/x
  3. Step 3: Cross multiply
    275,680.17x = 413,577.66 × 86,132.88
  4. Step 4: Simplify right side
    275,680.17x = 35,622,634,959.46
  5. Step 5: Solve for x
    x = 35,622,634,959.46/275,680.17
  6. Step 6: Final answer
    x = 129,217.26

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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.