Home / 263,614.20-363,787.80-142,755.62

Finding the Fourth Proportional to 263,614.20, 363,787.80 and 142,755.62

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Solution

The fourth proportional to 263,614.20, 363,787.80 and 142,755.62 is: 197,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,614.20 : 363,787.80 = 142,755.62 : x
  2. Step 2: Convert to fraction form
    263,614.20/363,787.80 = 142,755.62/x
  3. Step 3: Cross multiply
    263,614.20x = 363,787.80 × 142,755.62
  4. Step 4: Simplify right side
    263,614.20x = 51,932,753,311.57
  5. Step 5: Solve for x
    x = 51,932,753,311.57/263,614.20
  6. Step 6: Final answer
    x = 197,002.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.