Home / 115,932.30-173,898.45-100,185.90

Finding the Fourth Proportional to 115,932.30, 173,898.45 and 100,185.90

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Solution

The fourth proportional to 115,932.30, 173,898.45 and 100,185.90 is: 150,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,932.30 : 173,898.45 = 100,185.90 : x
  2. Step 2: Convert to fraction form
    115,932.30/173,898.45 = 100,185.90/x
  3. Step 3: Cross multiply
    115,932.30x = 173,898.45 × 100,185.90
  4. Step 4: Simplify right side
    115,932.30x = 17,422,172,721.86
  5. Step 5: Solve for x
    x = 17,422,172,721.86/115,932.30
  6. Step 6: Final answer
    x = 150,278.85

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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.