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Finding the Fourth Proportional to 197,473, 272,512.92 and 108,049

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Solution

The fourth proportional to 197,473, 272,512.92 and 108,049 is: 149,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,473 : 272,512.92 = 108,049 : x
  2. Step 2: Convert to fraction form
    197,473/272,512.92 = 108,049/x
  3. Step 3: Cross multiply
    197,473x = 272,512.92 × 108,049
  4. Step 4: Simplify right side
    197,473x = 29,444,748,493.08
  5. Step 5: Solve for x
    x = 29,444,748,493.08/197,473
  6. Step 6: Final answer
    x = 149,107.72

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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.