Home / 129,340.60-178,337.36-88,524.42

Finding the Fourth Proportional to 129,340.60, 178,337.36 and 88,524.42

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Solution

The fourth proportional to 129,340.60, 178,337.36 and 88,524.42 is: 122,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,340.60 : 178,337.36 = 88,524.42 : x
  2. Step 2: Convert to fraction form
    129,340.60/178,337.36 = 88,524.42/x
  3. Step 3: Cross multiply
    129,340.60x = 178,337.36 × 88,524.42
  4. Step 4: Simplify right side
    129,340.60x = 15,787,210,910.88
  5. Step 5: Solve for x
    x = 15,787,210,910.88/129,340.60
  6. Step 6: Final answer
    x = 122,059.20

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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.