Home / 188,215.30-282,359.10-75,906.88

Finding the Fourth Proportional to 188,215.30, 282,359.10 and 75,906.88

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Solution

The fourth proportional to 188,215.30, 282,359.10 and 75,906.88 is: 113,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,215.30 : 282,359.10 = 75,906.88 : x
  2. Step 2: Convert to fraction form
    188,215.30/282,359.10 = 75,906.88/x
  3. Step 3: Cross multiply
    188,215.30x = 282,359.10 × 75,906.88
  4. Step 4: Simplify right side
    188,215.30x = 21,432,998,320.61
  5. Step 5: Solve for x
    x = 21,432,998,320.61/188,215.30
  6. Step 6: Final answer
    x = 113,874.90

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1.5x scale

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.