Home / 80,311.79-120,446.69-24,136.88

Finding the Fourth Proportional to 80,311.79, 120,446.69 and 24,136.88

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Solution

The fourth proportional to 80,311.79, 120,446.69 and 24,136.88 is: 36,199.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.79 : 120,446.69 = 24,136.88 : x
  2. Step 2: Convert to fraction form
    80,311.79/120,446.69 = 24,136.88/x
  3. Step 3: Cross multiply
    80,311.79x = 120,446.69 × 24,136.88
  4. Step 4: Simplify right side
    80,311.79x = 2,907,206,700.69
  5. Step 5: Solve for x
    x = 2,907,206,700.69/80,311.79
  6. Step 6: Final answer
    x = 36,199.00

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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.