Home / 131,425.22-197,154.23-51,452.87

Finding the Fourth Proportional to 131,425.22, 197,154.23 and 51,452.87

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Solution

The fourth proportional to 131,425.22, 197,154.23 and 51,452.87 is: 77,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,425.22 : 197,154.23 = 51,452.87 : x
  2. Step 2: Convert to fraction form
    131,425.22/197,154.23 = 51,452.87/x
  3. Step 3: Cross multiply
    131,425.22x = 197,154.23 × 51,452.87
  4. Step 4: Simplify right side
    131,425.22x = 10,144,149,723.10
  5. Step 5: Solve for x
    x = 10,144,149,723.10/131,425.22
  6. Step 6: Final answer
    x = 77,185.71

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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.