Home / 188,819.80-260,540.84-108,232.50

Finding the Fourth Proportional to 188,819.80, 260,540.84 and 108,232.50

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Solution

The fourth proportional to 188,819.80, 260,540.84 and 108,232.50 is: 149,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.80 : 260,540.84 = 108,232.50 : x
  2. Step 2: Convert to fraction form
    188,819.80/260,540.84 = 108,232.50/x
  3. Step 3: Cross multiply
    188,819.80x = 260,540.84 × 108,232.50
  4. Step 4: Simplify right side
    188,819.80x = 28,198,986,465.30
  5. Step 5: Solve for x
    x = 28,198,986,465.30/188,819.80
  6. Step 6: Final answer
    x = 149,343.38

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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.