Home / 263,991.72-395,987.37-95,472.57

Finding the Fourth Proportional to 263,991.72, 395,987.37 and 95,472.57

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Solution

The fourth proportional to 263,991.72, 395,987.37 and 95,472.57 is: 143,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,991.72 : 395,987.37 = 95,472.57 : x
  2. Step 2: Convert to fraction form
    263,991.72/395,987.37 = 95,472.57/x
  3. Step 3: Cross multiply
    263,991.72x = 395,987.37 × 95,472.57
  4. Step 4: Simplify right side
    263,991.72x = 37,805,931,901.44
  5. Step 5: Solve for x
    x = 37,805,931,901.44/263,991.72
  6. Step 6: Final answer
    x = 143,208.78

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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.