Home / 172,530.75-258,822.24-54,190.96

Finding the Fourth Proportional to 172,530.75, 258,822.24 and 54,190.96

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Solution

The fourth proportional to 172,530.75, 258,822.24 and 54,190.96 is: 81,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,530.75 : 258,822.24 = 54,190.96 : x
  2. Step 2: Convert to fraction form
    172,530.75/258,822.24 = 54,190.96/x
  3. Step 3: Cross multiply
    172,530.75x = 258,822.24 × 54,190.96
  4. Step 4: Simplify right side
    172,530.75x = 14,025,825,654.95
  5. Step 5: Solve for x
    x = 14,025,825,654.95/172,530.75
  6. Step 6: Final answer
    x = 81,294.64

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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.