Home / 80,158.62-120,254.33-27,561.27

Finding the Fourth Proportional to 80,158.62, 120,254.33 and 27,561.27

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Solution

The fourth proportional to 80,158.62, 120,254.33 and 27,561.27 is: 41,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,158.62 : 120,254.33 = 27,561.27 : x
  2. Step 2: Convert to fraction form
    80,158.62/120,254.33 = 27,561.27/x
  3. Step 3: Cross multiply
    80,158.62x = 120,254.33 × 27,561.27
  4. Step 4: Simplify right side
    80,158.62x = 3,314,362,057.80
  5. Step 5: Solve for x
    x = 3,314,362,057.80/80,158.62
  6. Step 6: Final answer
    x = 41,347.54

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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.