Home / 188,818.44-260,538.92-108,231.14

Finding the Fourth Proportional to 188,818.44, 260,538.92 and 108,231.14

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Solution

The fourth proportional to 188,818.44, 260,538.92 and 108,231.14 is: 149,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,818.44 : 260,538.92 = 108,231.14 : x
  2. Step 2: Convert to fraction form
    188,818.44/260,538.92 = 108,231.14/x
  3. Step 3: Cross multiply
    188,818.44x = 260,538.92 × 108,231.14
  4. Step 4: Simplify right side
    188,818.44x = 28,198,424,325.97
  5. Step 5: Solve for x
    x = 28,198,424,325.97/188,818.44
  6. Step 6: Final answer
    x = 149,341.47

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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.