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Finding the Fourth Proportional to 159,286.89, 238,945.22 and 52,671.25

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Solution

The fourth proportional to 159,286.89, 238,945.22 and 52,671.25 is: 79,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,286.89 : 238,945.22 = 52,671.25 : x
  2. Step 2: Convert to fraction form
    159,286.89/238,945.22 = 52,671.25/x
  3. Step 3: Cross multiply
    159,286.89x = 238,945.22 × 52,671.25
  4. Step 4: Simplify right side
    159,286.89x = 12,585,543,418.93
  5. Step 5: Solve for x
    x = 12,585,543,418.93/159,286.89
  6. Step 6: Final answer
    x = 79,011.80

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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.