Home / 80,142.62-120,230.33-27,545.27

Finding the Fourth Proportional to 80,142.62, 120,230.33 and 27,545.27

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Solution

The fourth proportional to 80,142.62, 120,230.33 and 27,545.27 is: 41,323.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,142.62 : 120,230.33 = 27,545.27 : x
  2. Step 2: Convert to fraction form
    80,142.62/120,230.33 = 27,545.27/x
  3. Step 3: Cross multiply
    80,142.62x = 120,230.33 × 27,545.27
  4. Step 4: Simplify right side
    80,142.62x = 3,311,776,163.16
  5. Step 5: Solve for x
    x = 3,311,776,163.16/80,142.62
  6. Step 6: Final answer
    x = 41,323.54

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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.