Home / 221,722.20-332,145.90-132,711.30

Finding the Fourth Proportional to 221,722.20, 332,145.90 and 132,711.30

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Solution

The fourth proportional to 221,722.20, 332,145.90 and 132,711.30 is: 198,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,722.20 : 332,145.90 = 132,711.30 : x
  2. Step 2: Convert to fraction form
    221,722.20/332,145.90 = 132,711.30/x
  3. Step 3: Cross multiply
    221,722.20x = 332,145.90 × 132,711.30
  4. Step 4: Simplify right side
    221,722.20x = 44,079,514,178.67
  5. Step 5: Solve for x
    x = 44,079,514,178.67/221,722.20
  6. Step 6: Final answer
    x = 198,805.15

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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.