Home / 80,194.97-120,291.19-27,604.91

Finding the Fourth Proportional to 80,194.97, 120,291.19 and 27,604.91

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Solution

The fourth proportional to 80,194.97, 120,291.19 and 27,604.91 is: 41,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,194.97 : 120,291.19 = 27,604.91 : x
  2. Step 2: Convert to fraction form
    80,194.97/120,291.19 = 27,604.91/x
  3. Step 3: Cross multiply
    80,194.97x = 120,291.19 × 27,604.91
  4. Step 4: Simplify right side
    80,194.97x = 3,320,627,473.74
  5. Step 5: Solve for x
    x = 3,320,627,473.74/80,194.97
  6. Step 6: Final answer
    x = 41,406.93

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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.