Home / 80,160.22-120,239.11-27,570.16

Finding the Fourth Proportional to 80,160.22, 120,239.11 and 27,570.16

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Solution

The fourth proportional to 80,160.22, 120,239.11 and 27,570.16 is: 41,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,160.22 : 120,239.11 = 27,570.16 : x
  2. Step 2: Convert to fraction form
    80,160.22/120,239.11 = 27,570.16/x
  3. Step 3: Cross multiply
    80,160.22x = 120,239.11 × 27,570.16
  4. Step 4: Simplify right side
    80,160.22x = 3,315,011,500.96
  5. Step 5: Solve for x
    x = 3,315,011,500.96/80,160.22
  6. Step 6: Final answer
    x = 41,354.82

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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.