Home / 180,786.88-270,753.72-91,819.76

Finding the Fourth Proportional to 180,786.88, 270,753.72 and 91,819.76

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Solution

The fourth proportional to 180,786.88, 270,753.72 and 91,819.76 is: 137,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,786.88 : 270,753.72 = 91,819.76 : x
  2. Step 2: Convert to fraction form
    180,786.88/270,753.72 = 91,819.76/x
  3. Step 3: Cross multiply
    180,786.88x = 270,753.72 × 91,819.76
  4. Step 4: Simplify right side
    180,786.88x = 24,860,541,589.51
  5. Step 5: Solve for x
    x = 24,860,541,589.51/180,786.88
  6. Step 6: Final answer
    x = 137,512.97

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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.