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Finding the Fourth Proportional to 141,910.88, 195,928.32 and 88,268.88

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Solution

The fourth proportional to 141,910.88, 195,928.32 and 88,268.88 is: 121,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,910.88 : 195,928.32 = 88,268.88 : x
  2. Step 2: Convert to fraction form
    141,910.88/195,928.32 = 88,268.88/x
  3. Step 3: Cross multiply
    141,910.88x = 195,928.32 × 88,268.88
  4. Step 4: Simplify right side
    141,910.88x = 17,294,373,366.68
  5. Step 5: Solve for x
    x = 17,294,373,366.68/141,910.88
  6. Step 6: Final answer
    x = 121,867.85

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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.