Home / 115,171.92-172,789.07-35,207.73

Finding the Fourth Proportional to 115,171.92, 172,789.07 and 35,207.73

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Solution

The fourth proportional to 115,171.92, 172,789.07 and 35,207.73 is: 52,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,171.92 : 172,789.07 = 35,207.73 : x
  2. Step 2: Convert to fraction form
    115,171.92/172,789.07 = 35,207.73/x
  3. Step 3: Cross multiply
    115,171.92x = 172,789.07 × 35,207.73
  4. Step 4: Simplify right side
    115,171.92x = 6,083,510,747.47
  5. Step 5: Solve for x
    x = 6,083,510,747.47/115,171.92
  6. Step 6: Final answer
    x = 52,821.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.