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Finding the Fourth Proportional to 148,394.52, 204,791.76 and 82,992.33

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Solution

The fourth proportional to 148,394.52, 204,791.76 and 82,992.33 is: 114,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,394.52 : 204,791.76 = 82,992.33 : x
  2. Step 2: Convert to fraction form
    148,394.52/204,791.76 = 82,992.33/x
  3. Step 3: Cross multiply
    148,394.52x = 204,791.76 × 82,992.33
  4. Step 4: Simplify right side
    148,394.52x = 16,996,145,327.20
  5. Step 5: Solve for x
    x = 16,996,145,327.20/148,394.52
  6. Step 6: Final answer
    x = 114,533.51

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1.5x scale

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.