Home / 124,869.52-172,324.07-68,280.90

Finding the Fourth Proportional to 124,869.52, 172,324.07 and 68,280.90

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Solution

The fourth proportional to 124,869.52, 172,324.07 and 68,280.90 is: 94,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,869.52 : 172,324.07 = 68,280.90 : x
  2. Step 2: Convert to fraction form
    124,869.52/172,324.07 = 68,280.90/x
  3. Step 3: Cross multiply
    124,869.52x = 172,324.07 × 68,280.90
  4. Step 4: Simplify right side
    124,869.52x = 11,766,442,591.26
  5. Step 5: Solve for x
    x = 11,766,442,591.26/124,869.52
  6. Step 6: Final answer
    x = 94,229.90

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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.