Home / 155,712.38-233,584.97-71,458.20

Finding the Fourth Proportional to 155,712.38, 233,584.97 and 71,458.20

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Solution

The fourth proportional to 155,712.38, 233,584.97 and 71,458.20 is: 107,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,712.38 : 233,584.97 = 71,458.20 : x
  2. Step 2: Convert to fraction form
    155,712.38/233,584.97 = 71,458.20/x
  3. Step 3: Cross multiply
    155,712.38x = 233,584.97 × 71,458.20
  4. Step 4: Simplify right side
    155,712.38x = 16,691,561,145.96
  5. Step 5: Solve for x
    x = 16,691,561,145.96/155,712.38
  6. Step 6: Final answer
    x = 107,194.83

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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.