Home / 146,776.20-219,905.10-120,337.80

Finding the Fourth Proportional to 146,776.20, 219,905.10 and 120,337.80

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Solution

The fourth proportional to 146,776.20, 219,905.10 and 120,337.80 is: 180,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,776.20 : 219,905.10 = 120,337.80 : x
  2. Step 2: Convert to fraction form
    146,776.20/219,905.10 = 120,337.80/x
  3. Step 3: Cross multiply
    146,776.20x = 219,905.10 × 120,337.80
  4. Step 4: Simplify right side
    146,776.20x = 26,462,895,942.78
  5. Step 5: Solve for x
    x = 26,462,895,942.78/146,776.20
  6. Step 6: Final answer
    x = 180,294.19

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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.