Home / 125,044.74-172,561.75-68,456.12

Finding the Fourth Proportional to 125,044.74, 172,561.75 and 68,456.12

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Solution

The fourth proportional to 125,044.74, 172,561.75 and 68,456.12 is: 94,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,044.74 : 172,561.75 = 68,456.12 : x
  2. Step 2: Convert to fraction form
    125,044.74/172,561.75 = 68,456.12/x
  3. Step 3: Cross multiply
    125,044.74x = 172,561.75 × 68,456.12
  4. Step 4: Simplify right side
    125,044.74x = 11,812,906,831.46
  5. Step 5: Solve for x
    x = 11,812,906,831.46/125,044.74
  6. Step 6: Final answer
    x = 94,469.44

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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.