Home / 232,064.20-347,405.10-138,521.80

Finding the Fourth Proportional to 232,064.20, 347,405.10 and 138,521.80

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Solution

The fourth proportional to 232,064.20, 347,405.10 and 138,521.80 is: 207,370.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,064.20 : 347,405.10 = 138,521.80 : x
  2. Step 2: Convert to fraction form
    232,064.20/347,405.10 = 138,521.80/x
  3. Step 3: Cross multiply
    232,064.20x = 347,405.10 × 138,521.80
  4. Step 4: Simplify right side
    232,064.20x = 48,123,179,781.18
  5. Step 5: Solve for x
    x = 48,123,179,781.18/232,064.20
  6. Step 6: Final answer
    x = 207,370.11

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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.