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Finding the Fourth Proportional to 80,173.80, 120,223.80 and 23,234.76

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Solution

The fourth proportional to 80,173.80, 120,223.80 and 23,234.76 is: 34,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,173.80 : 120,223.80 = 23,234.76 : x
  2. Step 2: Convert to fraction form
    80,173.80/120,223.80 = 23,234.76/x
  3. Step 3: Cross multiply
    80,173.80x = 120,223.80 × 23,234.76
  4. Step 4: Simplify right side
    80,173.80x = 2,793,371,139.29
  5. Step 5: Solve for x
    x = 2,793,371,139.29/80,173.80
  6. Step 6: Final answer
    x = 34,841.45

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1.5x scale

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.