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Finding the Fourth Proportional to 168,270.78, 252,408.37 and 55,951.00

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Solution

The fourth proportional to 168,270.78, 252,408.37 and 55,951.00 is: 83,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,270.78 : 252,408.37 = 55,951.00 : x
  2. Step 2: Convert to fraction form
    168,270.78/252,408.37 = 55,951.00/x
  3. Step 3: Cross multiply
    168,270.78x = 252,408.37 × 55,951.00
  4. Step 4: Simplify right side
    168,270.78x = 14,122,499,938.97
  5. Step 5: Solve for x
    x = 14,122,499,938.97/168,270.78
  6. Step 6: Final answer
    x = 83,927.23

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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.