Home / 124,974.29-172,285.11-89,102.03

Finding the Fourth Proportional to 124,974.29, 172,285.11 and 89,102.03

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Solution

The fourth proportional to 124,974.29, 172,285.11 and 89,102.03 is: 122,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.29 : 172,285.11 = 89,102.03 : x
  2. Step 2: Convert to fraction form
    124,974.29/172,285.11 = 89,102.03/x
  3. Step 3: Cross multiply
    124,974.29x = 172,285.11 × 89,102.03
  4. Step 4: Simplify right side
    124,974.29x = 15,350,952,178.35
  5. Step 5: Solve for x
    x = 15,350,952,178.35/124,974.29
  6. Step 6: Final answer
    x = 122,832.88

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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.