Home / 231,591.45-347,149.34-131,538.03

Finding the Fourth Proportional to 231,591.45, 347,149.34 and 131,538.03

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Solution

The fourth proportional to 231,591.45, 347,149.34 and 131,538.03 is: 197,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,591.45 : 347,149.34 = 131,538.03 : x
  2. Step 2: Convert to fraction form
    231,591.45/347,149.34 = 131,538.03/x
  3. Step 3: Cross multiply
    231,591.45x = 347,149.34 × 131,538.03
  4. Step 4: Simplify right side
    231,591.45x = 45,663,339,573.07
  5. Step 5: Solve for x
    x = 45,663,339,573.07/231,591.45
  6. Step 6: Final answer
    x = 197,171.95

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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.