Home / 80,115.18-120,175.56-27,524.28

Finding the Fourth Proportional to 80,115.18, 120,175.56 and 27,524.28

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Solution

The fourth proportional to 80,115.18, 120,175.56 and 27,524.28 is: 41,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,115.18 : 120,175.56 = 27,524.28 : x
  2. Step 2: Convert to fraction form
    80,115.18/120,175.56 = 27,524.28/x
  3. Step 3: Cross multiply
    80,115.18x = 120,175.56 × 27,524.28
  4. Step 4: Simplify right side
    80,115.18x = 3,307,745,762.60
  5. Step 5: Solve for x
    x = 3,307,745,762.60/80,115.18
  6. Step 6: Final answer
    x = 41,287.38

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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.