Home / 146,910.56-220,428.10-80,272.83

Finding the Fourth Proportional to 146,910.56, 220,428.10 and 80,272.83

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Solution

The fourth proportional to 146,910.56, 220,428.10 and 80,272.83 is: 120,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,910.56 : 220,428.10 = 80,272.83 : x
  2. Step 2: Convert to fraction form
    146,910.56/220,428.10 = 80,272.83/x
  3. Step 3: Cross multiply
    146,910.56x = 220,428.10 × 80,272.83
  4. Step 4: Simplify right side
    146,910.56x = 17,694,387,748.91
  5. Step 5: Solve for x
    x = 17,694,387,748.91/146,910.56
  6. Step 6: Final answer
    x = 120,443.27

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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.