Home / 188,540.73-260,179.56-103,657.14

Finding the Fourth Proportional to 188,540.73, 260,179.56 and 103,657.14

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Solution

The fourth proportional to 188,540.73, 260,179.56 and 103,657.14 is: 143,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,540.73 : 260,179.56 = 103,657.14 : x
  2. Step 2: Convert to fraction form
    188,540.73/260,179.56 = 103,657.14/x
  3. Step 3: Cross multiply
    188,540.73x = 260,179.56 × 103,657.14
  4. Step 4: Simplify right side
    188,540.73x = 26,969,469,076.06
  5. Step 5: Solve for x
    x = 26,969,469,076.06/188,540.73
  6. Step 6: Final answer
    x = 143,043.20

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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.