Home / 76,766.28-115,153.54-24,179.88

Finding the Fourth Proportional to 76,766.28, 115,153.54 and 24,179.88

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Solution

The fourth proportional to 76,766.28, 115,153.54 and 24,179.88 is: 36,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,766.28 : 115,153.54 = 24,179.88 : x
  2. Step 2: Convert to fraction form
    76,766.28/115,153.54 = 24,179.88/x
  3. Step 3: Cross multiply
    76,766.28x = 115,153.54 × 24,179.88
  4. Step 4: Simplify right side
    76,766.28x = 2,784,398,778.78
  5. Step 5: Solve for x
    x = 2,784,398,778.78/76,766.28
  6. Step 6: Final answer
    x = 36,271.12

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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.