Home / 181,272.80-271,909.20-131,247.20

Finding the Fourth Proportional to 181,272.80, 271,909.20 and 131,247.20

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Solution

The fourth proportional to 181,272.80, 271,909.20 and 131,247.20 is: 196,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,272.80 : 271,909.20 = 131,247.20 : x
  2. Step 2: Convert to fraction form
    181,272.80/271,909.20 = 131,247.20/x
  3. Step 3: Cross multiply
    181,272.80x = 271,909.20 × 131,247.20
  4. Step 4: Simplify right side
    181,272.80x = 35,687,321,154.24
  5. Step 5: Solve for x
    x = 35,687,321,154.24/181,272.80
  6. Step 6: Final answer
    x = 196,870.80

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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.