Home / 88,394.15-132,591.22-72,778.97

Finding the Fourth Proportional to 88,394.15, 132,591.22 and 72,778.97

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Solution

The fourth proportional to 88,394.15, 132,591.22 and 72,778.97 is: 109,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,394.15 : 132,591.22 = 72,778.97 : x
  2. Step 2: Convert to fraction form
    88,394.15/132,591.22 = 72,778.97/x
  3. Step 3: Cross multiply
    88,394.15x = 132,591.22 × 72,778.97
  4. Step 4: Simplify right side
    88,394.15x = 9,649,852,422.64
  5. Step 5: Solve for x
    x = 9,649,852,422.64/88,394.15
  6. Step 6: Final answer
    x = 109,168.45

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1.5x scale

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.