Home / 272,161.82-408,196.66-82,576.46

Finding the Fourth Proportional to 272,161.82, 408,196.66 and 82,576.46

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Solution

The fourth proportional to 272,161.82, 408,196.66 and 82,576.46 is: 123,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,161.82 : 408,196.66 = 82,576.46 : x
  2. Step 2: Convert to fraction form
    272,161.82/408,196.66 = 82,576.46/x
  3. Step 3: Cross multiply
    272,161.82x = 408,196.66 × 82,576.46
  4. Step 4: Simplify right side
    272,161.82x = 33,707,435,166.62
  5. Step 5: Solve for x
    x = 33,707,435,166.62/272,161.82
  6. Step 6: Final answer
    x = 123,850.71

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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.