Home / 80,544.50-120,817.23-27,236.86

Finding the Fourth Proportional to 80,544.50, 120,817.23 and 27,236.86

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Solution

The fourth proportional to 80,544.50, 120,817.23 and 27,236.86 is: 40,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,544.50 : 120,817.23 = 27,236.86 : x
  2. Step 2: Convert to fraction form
    80,544.50/120,817.23 = 27,236.86/x
  3. Step 3: Cross multiply
    80,544.50x = 120,817.23 × 27,236.86
  4. Step 4: Simplify right side
    80,544.50x = 3,290,682,358.61
  5. Step 5: Solve for x
    x = 3,290,682,358.61/80,544.50
  6. Step 6: Final answer
    x = 40,855.45

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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.