Home / 125,270.38-172,873.68-67,910.68

Finding the Fourth Proportional to 125,270.38, 172,873.68 and 67,910.68

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Solution

The fourth proportional to 125,270.38, 172,873.68 and 67,910.68 is: 93,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,270.38 : 172,873.68 = 67,910.68 : x
  2. Step 2: Convert to fraction form
    125,270.38/172,873.68 = 67,910.68/x
  3. Step 3: Cross multiply
    125,270.38x = 172,873.68 × 67,910.68
  4. Step 4: Simplify right side
    125,270.38x = 11,739,969,162.90
  5. Step 5: Solve for x
    x = 11,739,969,162.90/125,270.38
  6. Step 6: Final answer
    x = 93,717.04

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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.