Home / 231,991.20-347,727.60-132,199.20

Finding the Fourth Proportional to 231,991.20, 347,727.60 and 132,199.20

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Solution

The fourth proportional to 231,991.20, 347,727.60 and 132,199.20 is: 198,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,991.20 : 347,727.60 = 132,199.20 : x
  2. Step 2: Convert to fraction form
    231,991.20/347,727.60 = 132,199.20/x
  3. Step 3: Cross multiply
    231,991.20x = 347,727.60 × 132,199.20
  4. Step 4: Simplify right side
    231,991.20x = 45,969,310,537.92
  5. Step 5: Solve for x
    x = 45,969,310,537.92/231,991.20
  6. Step 6: Final answer
    x = 198,151.10

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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.