Home / 179,372.38-269,021.82-67,031.86

Finding the Fourth Proportional to 179,372.38, 269,021.82 and 67,031.86

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Solution

The fourth proportional to 179,372.38, 269,021.82 and 67,031.86 is: 100,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,372.38 : 269,021.82 = 67,031.86 : x
  2. Step 2: Convert to fraction form
    179,372.38/269,021.82 = 67,031.86/x
  3. Step 3: Cross multiply
    179,372.38x = 269,021.82 × 67,031.86
  4. Step 4: Simplify right side
    179,372.38x = 18,033,032,975.19
  5. Step 5: Solve for x
    x = 18,033,032,975.19/179,372.38
  6. Step 6: Final answer
    x = 100,534.06

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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.