Home / 76,366.20-114,549.30-72,283.80

Finding the Fourth Proportional to 76,366.20, 114,549.30 and 72,283.80

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Solution

The fourth proportional to 76,366.20, 114,549.30 and 72,283.80 is: 108,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366.20 : 114,549.30 = 72,283.80 : x
  2. Step 2: Convert to fraction form
    76,366.20/114,549.30 = 72,283.80/x
  3. Step 3: Cross multiply
    76,366.20x = 114,549.30 × 72,283.80
  4. Step 4: Simplify right side
    76,366.20x = 8,280,058,691.34
  5. Step 5: Solve for x
    x = 8,280,058,691.34/76,366.20
  6. Step 6: Final answer
    x = 108,425.70

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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.