Home / 124,983.92-172,472.28-68,397.68

Finding the Fourth Proportional to 124,983.92, 172,472.28 and 68,397.68

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Solution

The fourth proportional to 124,983.92, 172,472.28 and 68,397.68 is: 94,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,983.92 : 172,472.28 = 68,397.68 : x
  2. Step 2: Convert to fraction form
    124,983.92/172,472.28 = 68,397.68/x
  3. Step 3: Cross multiply
    124,983.92x = 172,472.28 × 68,397.68
  4. Step 4: Simplify right side
    124,983.92x = 11,796,703,816.31
  5. Step 5: Solve for x
    x = 11,796,703,816.31/124,983.92
  6. Step 6: Final answer
    x = 94,385.77

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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.