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Finding the Fourth Proportional to 172,167.32, 258,241.24 and 53,824.70

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Solution

The fourth proportional to 172,167.32, 258,241.24 and 53,824.70 is: 80,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,167.32 : 258,241.24 = 53,824.70 : x
  2. Step 2: Convert to fraction form
    172,167.32/258,241.24 = 53,824.70/x
  3. Step 3: Cross multiply
    172,167.32x = 258,241.24 × 53,824.70
  4. Step 4: Simplify right side
    172,167.32x = 13,899,757,270.63
  5. Step 5: Solve for x
    x = 13,899,757,270.63/172,167.32
  6. Step 6: Final answer
    x = 80,734.00

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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.