Home / 124,930.28-172,403.79-67,569.61

Finding the Fourth Proportional to 124,930.28, 172,403.79 and 67,569.61

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Solution

The fourth proportional to 124,930.28, 172,403.79 and 67,569.61 is: 93,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,930.28 : 172,403.79 = 67,569.61 : x
  2. Step 2: Convert to fraction form
    124,930.28/172,403.79 = 67,569.61/x
  3. Step 3: Cross multiply
    124,930.28x = 172,403.79 × 67,569.61
  4. Step 4: Simplify right side
    124,930.28x = 11,649,256,852.82
  5. Step 5: Solve for x
    x = 11,649,256,852.82/124,930.28
  6. Step 6: Final answer
    x = 93,246.06

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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.