Home / 80,167.26-120,257.16-26,859.42

Finding the Fourth Proportional to 80,167.26, 120,257.16 and 26,859.42

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Solution

The fourth proportional to 80,167.26, 120,257.16 and 26,859.42 is: 40,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,167.26 : 120,257.16 = 26,859.42 : x
  2. Step 2: Convert to fraction form
    80,167.26/120,257.16 = 26,859.42/x
  3. Step 3: Cross multiply
    80,167.26x = 120,257.16 × 26,859.42
  4. Step 4: Simplify right side
    80,167.26x = 3,230,037,568.45
  5. Step 5: Solve for x
    x = 3,230,037,568.45/80,167.26
  6. Step 6: Final answer
    x = 40,291.23

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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.