Home / 68,486.28-102,759.12-24,144.72

Finding the Fourth Proportional to 68,486.28, 102,759.12 and 24,144.72

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Solution

The fourth proportional to 68,486.28, 102,759.12 and 24,144.72 is: 36,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,486.28 : 102,759.12 = 24,144.72 : x
  2. Step 2: Convert to fraction form
    68,486.28/102,759.12 = 24,144.72/x
  3. Step 3: Cross multiply
    68,486.28x = 102,759.12 × 24,144.72
  4. Step 4: Simplify right side
    68,486.28x = 2,481,090,179.85
  5. Step 5: Solve for x
    x = 2,481,090,179.85/68,486.28
  6. Step 6: Final answer
    x = 36,227.55

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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.