Home / 155,266.28-232,733.30-80,310.95

Finding the Fourth Proportional to 155,266.28, 232,733.30 and 80,310.95

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Solution

The fourth proportional to 155,266.28, 232,733.30 and 80,310.95 is: 120,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,266.28 : 232,733.30 = 80,310.95 : x
  2. Step 2: Convert to fraction form
    155,266.28/232,733.30 = 80,310.95/x
  3. Step 3: Cross multiply
    155,266.28x = 232,733.30 × 80,310.95
  4. Step 4: Simplify right side
    155,266.28x = 18,691,033,202.25
  5. Step 5: Solve for x
    x = 18,691,033,202.25/155,266.28
  6. Step 6: Final answer
    x = 120,380.51

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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.