Home / 263,535.71-395,161.38-136,863.45

Finding the Fourth Proportional to 263,535.71, 395,161.38 and 136,863.45

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Solution

The fourth proportional to 263,535.71, 395,161.38 and 136,863.45 is: 205,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,535.71 : 395,161.38 = 136,863.45 : x
  2. Step 2: Convert to fraction form
    263,535.71/395,161.38 = 136,863.45/x
  3. Step 3: Cross multiply
    263,535.71x = 395,161.38 × 136,863.45
  4. Step 4: Simplify right side
    263,535.71x = 54,083,149,773.56
  5. Step 5: Solve for x
    x = 54,083,149,773.56/263,535.71
  6. Step 6: Final answer
    x = 205,221.33

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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.