Home / 197,431.92-272,458.20-108,006

Finding the Fourth Proportional to 197,431.92, 272,458.20 and 108,006

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Solution

The fourth proportional to 197,431.92, 272,458.20 and 108,006 is: 149,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,431.92 : 272,458.20 = 108,006 : x
  2. Step 2: Convert to fraction form
    197,431.92/272,458.20 = 108,006/x
  3. Step 3: Cross multiply
    197,431.92x = 272,458.20 × 108,006
  4. Step 4: Simplify right side
    197,431.92x = 29,427,120,349.20
  5. Step 5: Solve for x
    x = 29,427,120,349.20/197,431.92
  6. Step 6: Final answer
    x = 149,049.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.