Home / 150,078.12-225,117.17-71,149.29

Finding the Fourth Proportional to 150,078.12, 225,117.17 and 71,149.29

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Solution

The fourth proportional to 150,078.12, 225,117.17 and 71,149.29 is: 106,723.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,078.12 : 225,117.17 = 71,149.29 : x
  2. Step 2: Convert to fraction form
    150,078.12/225,117.17 = 71,149.29/x
  3. Step 3: Cross multiply
    150,078.12x = 225,117.17 × 71,149.29
  4. Step 4: Simplify right side
    150,078.12x = 16,016,926,279.40
  5. Step 5: Solve for x
    x = 16,016,926,279.40/150,078.12
  6. Step 6: Final answer
    x = 106,723.93

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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.