Home / 240,766.85-332,257.61-138,791.75

Finding the Fourth Proportional to 240,766.85, 332,257.61 and 138,791.75

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Solution

The fourth proportional to 240,766.85, 332,257.61 and 138,791.75 is: 191,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,766.85 : 332,257.61 = 138,791.75 : x
  2. Step 2: Convert to fraction form
    240,766.85/332,257.61 = 138,791.75/x
  3. Step 3: Cross multiply
    240,766.85x = 332,257.61 × 138,791.75
  4. Step 4: Simplify right side
    240,766.85x = 46,114,613,828.41
  5. Step 5: Solve for x
    x = 46,114,613,828.41/240,766.85
  6. Step 6: Final answer
    x = 191,532.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.