Home / 152,993.76-229,517.28-47,785.92

Finding the Fourth Proportional to 152,993.76, 229,517.28 and 47,785.92

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Solution

The fourth proportional to 152,993.76, 229,517.28 and 47,785.92 is: 71,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,993.76 : 229,517.28 = 47,785.92 : x
  2. Step 2: Convert to fraction form
    152,993.76/229,517.28 = 47,785.92/x
  3. Step 3: Cross multiply
    152,993.76x = 229,517.28 × 47,785.92
  4. Step 4: Simplify right side
    152,993.76x = 10,967,694,380.70
  5. Step 5: Solve for x
    x = 10,967,694,380.70/152,993.76
  6. Step 6: Final answer
    x = 71,687.20

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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.