Home / 307,836.53-461,800.96-108,121.71

Finding the Fourth Proportional to 307,836.53, 461,800.96 and 108,121.71

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Solution

The fourth proportional to 307,836.53, 461,800.96 and 108,121.71 is: 162,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,836.53 : 461,800.96 = 108,121.71 : x
  2. Step 2: Convert to fraction form
    307,836.53/461,800.96 = 108,121.71/x
  3. Step 3: Cross multiply
    307,836.53x = 461,800.96 × 108,121.71
  4. Step 4: Simplify right side
    307,836.53x = 49,930,709,204.54
  5. Step 5: Solve for x
    x = 49,930,709,204.54/307,836.53
  6. Step 6: Final answer
    x = 162,198.78

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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.