Home / 124,948.41-172,433.10-68,359.78

Finding the Fourth Proportional to 124,948.41, 172,433.10 and 68,359.78

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Solution

The fourth proportional to 124,948.41, 172,433.10 and 68,359.78 is: 94,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,948.41 : 172,433.10 = 68,359.78 : x
  2. Step 2: Convert to fraction form
    124,948.41/172,433.10 = 68,359.78/x
  3. Step 3: Cross multiply
    124,948.41x = 172,433.10 × 68,359.78
  4. Step 4: Simplify right side
    124,948.41x = 11,787,488,780.72
  5. Step 5: Solve for x
    x = 11,787,488,780.72/124,948.41
  6. Step 6: Final answer
    x = 94,338.85

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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.