Home / 80,164.14-120,262.60-27,566.78

Finding the Fourth Proportional to 80,164.14, 120,262.60 and 27,566.78

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Solution

The fourth proportional to 80,164.14, 120,262.60 and 27,566.78 is: 41,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,164.14 : 120,262.60 = 27,566.78 : x
  2. Step 2: Convert to fraction form
    80,164.14/120,262.60 = 27,566.78/x
  3. Step 3: Cross multiply
    80,164.14x = 120,262.60 × 27,566.78
  4. Step 4: Simplify right side
    80,164.14x = 3,315,252,636.43
  5. Step 5: Solve for x
    x = 3,315,252,636.43/80,164.14
  6. Step 6: Final answer
    x = 41,355.81

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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.