Home / 80,170.26-120,261.66-26,862.42

Finding the Fourth Proportional to 80,170.26, 120,261.66 and 26,862.42

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Solution

The fourth proportional to 80,170.26, 120,261.66 and 26,862.42 is: 40,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170.26 : 120,261.66 = 26,862.42 : x
  2. Step 2: Convert to fraction form
    80,170.26/120,261.66 = 26,862.42/x
  3. Step 3: Cross multiply
    80,170.26x = 120,261.66 × 26,862.42
  4. Step 4: Simplify right side
    80,170.26x = 3,230,519,220.82
  5. Step 5: Solve for x
    x = 3,230,519,220.82/80,170.26
  6. Step 6: Final answer
    x = 40,295.73

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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.