Home / 146,997.72-220,321.62-84,537

Finding the Fourth Proportional to 146,997.72, 220,321.62 and 84,537

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Solution

The fourth proportional to 146,997.72, 220,321.62 and 84,537 is: 126,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.72 : 220,321.62 = 84,537 : x
  2. Step 2: Convert to fraction form
    146,997.72/220,321.62 = 84,537/x
  3. Step 3: Cross multiply
    146,997.72x = 220,321.62 × 84,537
  4. Step 4: Simplify right side
    146,997.72x = 18,625,328,789.94
  5. Step 5: Solve for x
    x = 18,625,328,789.94/146,997.72
  6. Step 6: Final answer
    x = 126,704.88

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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.