Home / 146,822.70-220,234.05-127,139.70

Finding the Fourth Proportional to 146,822.70, 220,234.05 and 127,139.70

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Solution

The fourth proportional to 146,822.70, 220,234.05 and 127,139.70 is: 190,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.70 : 220,234.05 = 127,139.70 : x
  2. Step 2: Convert to fraction form
    146,822.70/220,234.05 = 127,139.70/x
  3. Step 3: Cross multiply
    146,822.70x = 220,234.05 × 127,139.70
  4. Step 4: Simplify right side
    146,822.70x = 28,000,491,046.79
  5. Step 5: Solve for x
    x = 28,000,491,046.79/146,822.70
  6. Step 6: Final answer
    x = 190,709.55

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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.