Home / 250,255.36-345,361.92-142,842.88

Finding the Fourth Proportional to 250,255.36, 345,361.92 and 142,842.88

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Solution

The fourth proportional to 250,255.36, 345,361.92 and 142,842.88 is: 197,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,255.36 : 345,361.92 = 142,842.88 : x
  2. Step 2: Convert to fraction form
    250,255.36/345,361.92 = 142,842.88/x
  3. Step 3: Cross multiply
    250,255.36x = 345,361.92 × 142,842.88
  4. Step 4: Simplify right side
    250,255.36x = 49,332,491,295.13
  5. Step 5: Solve for x
    x = 49,332,491,295.13/250,255.36
  6. Step 6: Final answer
    x = 197,128.61

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1.5x scale

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.