Home / 146,952.30-220,490.85-80,314.57

Finding the Fourth Proportional to 146,952.30, 220,490.85 and 80,314.57

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Solution

The fourth proportional to 146,952.30, 220,490.85 and 80,314.57 is: 120,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,952.30 : 220,490.85 = 80,314.57 : x
  2. Step 2: Convert to fraction form
    146,952.30/220,490.85 = 80,314.57/x
  3. Step 3: Cross multiply
    146,952.30x = 220,490.85 × 80,314.57
  4. Step 4: Simplify right side
    146,952.30x = 17,708,627,806.68
  5. Step 5: Solve for x
    x = 17,708,627,806.68/146,952.30
  6. Step 6: Final answer
    x = 120,505.96

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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.