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Finding the Fourth Proportional to 115,332.34, 172,997.97 and 36,446.44

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Solution

The fourth proportional to 115,332.34, 172,997.97 and 36,446.44 is: 54,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,332.34 : 172,997.97 = 36,446.44 : x
  2. Step 2: Convert to fraction form
    115,332.34/172,997.97 = 36,446.44/x
  3. Step 3: Cross multiply
    115,332.34x = 172,997.97 × 36,446.44
  4. Step 4: Simplify right side
    115,332.34x = 6,305,160,133.73
  5. Step 5: Solve for x
    x = 6,305,160,133.73/115,332.34
  6. Step 6: Final answer
    x = 54,669.49

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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.