Home / 171,982.90-257,974.35-165,093.85

Finding the Fourth Proportional to 171,982.90, 257,974.35 and 165,093.85

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Solution

The fourth proportional to 171,982.90, 257,974.35 and 165,093.85 is: 247,640.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,982.90 : 257,974.35 = 165,093.85 : x
  2. Step 2: Convert to fraction form
    171,982.90/257,974.35 = 165,093.85/x
  3. Step 3: Cross multiply
    171,982.90x = 257,974.35 × 165,093.85
  4. Step 4: Simplify right side
    171,982.90x = 42,589,978,642.75
  5. Step 5: Solve for x
    x = 42,589,978,642.75/171,982.90
  6. Step 6: Final answer
    x = 247,640.78

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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.