Home / 146,822.20-220,233.30-129,311.80

Finding the Fourth Proportional to 146,822.20, 220,233.30 and 129,311.80

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Solution

The fourth proportional to 146,822.20, 220,233.30 and 129,311.80 is: 193,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.20 : 220,233.30 = 129,311.80 : x
  2. Step 2: Convert to fraction form
    146,822.20/220,233.30 = 129,311.80/x
  3. Step 3: Cross multiply
    146,822.20x = 220,233.30 × 129,311.80
  4. Step 4: Simplify right side
    146,822.20x = 28,478,764,442.94
  5. Step 5: Solve for x
    x = 28,478,764,442.94/146,822.20
  6. Step 6: Final answer
    x = 193,967.70

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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.