Home / 80,166.12-120,265.60-27,568.80

Finding the Fourth Proportional to 80,166.12, 120,265.60 and 27,568.80

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Solution

The fourth proportional to 80,166.12, 120,265.60 and 27,568.80 is: 41,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,166.12 : 120,265.60 = 27,568.80 : x
  2. Step 2: Convert to fraction form
    80,166.12/120,265.60 = 27,568.80/x
  3. Step 3: Cross multiply
    80,166.12x = 120,265.60 × 27,568.80
  4. Step 4: Simplify right side
    80,166.12x = 3,315,578,273.28
  5. Step 5: Solve for x
    x = 3,315,578,273.28/80,166.12
  6. Step 6: Final answer
    x = 41,358.85

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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.