Home / 137,738.20-206,607.30-95,747.80

Finding the Fourth Proportional to 137,738.20, 206,607.30 and 95,747.80

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Solution

The fourth proportional to 137,738.20, 206,607.30 and 95,747.80 is: 143,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,738.20 : 206,607.30 = 95,747.80 : x
  2. Step 2: Convert to fraction form
    137,738.20/206,607.30 = 95,747.80/x
  3. Step 3: Cross multiply
    137,738.20x = 206,607.30 × 95,747.80
  4. Step 4: Simplify right side
    137,738.20x = 19,782,194,438.94
  5. Step 5: Solve for x
    x = 19,782,194,438.94/137,738.20
  6. Step 6: Final answer
    x = 143,621.70

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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.