Home / 124,912.38-172,383.17-68,323.71

Finding the Fourth Proportional to 124,912.38, 172,383.17 and 68,323.71

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Solution

The fourth proportional to 124,912.38, 172,383.17 and 68,323.71 is: 94,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,912.38 : 172,383.17 = 68,323.71 : x
  2. Step 2: Convert to fraction form
    124,912.38/172,383.17 = 68,323.71/x
  3. Step 3: Cross multiply
    124,912.38x = 172,383.17 × 68,323.71
  4. Step 4: Simplify right side
    124,912.38x = 11,777,857,374.34
  5. Step 5: Solve for x
    x = 11,777,857,374.34/124,912.38
  6. Step 6: Final answer
    x = 94,288.95

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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.