Home / 188,619.69-260,273.35-108,042.41

Finding the Fourth Proportional to 188,619.69, 260,273.35 and 108,042.41

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Solution

The fourth proportional to 188,619.69, 260,273.35 and 108,042.41 is: 149,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,619.69 : 260,273.35 = 108,042.41 : x
  2. Step 2: Convert to fraction form
    188,619.69/260,273.35 = 108,042.41/x
  3. Step 3: Cross multiply
    188,619.69x = 260,273.35 × 108,042.41
  4. Step 4: Simplify right side
    188,619.69x = 28,120,560,373.35
  5. Step 5: Solve for x
    x = 28,120,560,373.35/188,619.69
  6. Step 6: Final answer
    x = 149,086.03

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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.