Home / 80,171.26-120,263.16-26,863.42

Finding the Fourth Proportional to 80,171.26, 120,263.16 and 26,863.42

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Solution

The fourth proportional to 80,171.26, 120,263.16 and 26,863.42 is: 40,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,171.26 : 120,263.16 = 26,863.42 : x
  2. Step 2: Convert to fraction form
    80,171.26/120,263.16 = 26,863.42/x
  3. Step 3: Cross multiply
    80,171.26x = 120,263.16 × 26,863.42
  4. Step 4: Simplify right side
    80,171.26x = 3,230,679,777.61
  5. Step 5: Solve for x
    x = 3,230,679,777.61/80,171.26
  6. Step 6: Final answer
    x = 40,297.23

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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.