Home / 197,425.30-272,446.05-106,781.38

Finding the Fourth Proportional to 197,425.30, 272,446.05 and 106,781.38

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Solution

The fourth proportional to 197,425.30, 272,446.05 and 106,781.38 is: 147,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,425.30 : 272,446.05 = 106,781.38 : x
  2. Step 2: Convert to fraction form
    197,425.30/272,446.05 = 106,781.38/x
  3. Step 3: Cross multiply
    197,425.30x = 272,446.05 × 106,781.38
  4. Step 4: Simplify right side
    197,425.30x = 29,092,165,194.55
  5. Step 5: Solve for x
    x = 29,092,165,194.55/197,425.30
  6. Step 6: Final answer
    x = 147,357.84

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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.