Home / 155,267.03-232,734.42-80,311.70

Finding the Fourth Proportional to 155,267.03, 232,734.42 and 80,311.70

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Solution

The fourth proportional to 155,267.03, 232,734.42 and 80,311.70 is: 120,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,267.03 : 232,734.42 = 80,311.70 : x
  2. Step 2: Convert to fraction form
    155,267.03/232,734.42 = 80,311.70/x
  3. Step 3: Cross multiply
    155,267.03x = 232,734.42 × 80,311.70
  4. Step 4: Simplify right side
    155,267.03x = 18,691,297,500.55
  5. Step 5: Solve for x
    x = 18,691,297,500.55/155,267.03
  6. Step 6: Final answer
    x = 120,381.62

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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.