Home / 80,204.72-120,305.66-27,613.04

Finding the Fourth Proportional to 80,204.72, 120,305.66 and 27,613.04

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Solution

The fourth proportional to 80,204.72, 120,305.66 and 27,613.04 is: 41,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,204.72 : 120,305.66 = 27,613.04 : x
  2. Step 2: Convert to fraction form
    80,204.72/120,305.66 = 27,613.04/x
  3. Step 3: Cross multiply
    80,204.72x = 120,305.66 × 27,613.04
  4. Step 4: Simplify right side
    80,204.72x = 3,322,004,262.21
  5. Step 5: Solve for x
    x = 3,322,004,262.21/80,204.72
  6. Step 6: Final answer
    x = 41,419.06

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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.