Home / 188,505.27-260,138.12-103,627.80

Finding the Fourth Proportional to 188,505.27, 260,138.12 and 103,627.80

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Solution

The fourth proportional to 188,505.27, 260,138.12 and 103,627.80 is: 143,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,505.27 : 260,138.12 = 103,627.80 : x
  2. Step 2: Convert to fraction form
    188,505.27/260,138.12 = 103,627.80/x
  3. Step 3: Cross multiply
    188,505.27x = 260,138.12 × 103,627.80
  4. Step 4: Simplify right side
    188,505.27x = 26,957,540,553.60
  5. Step 5: Solve for x
    x = 26,957,540,553.60/188,505.27
  6. Step 6: Final answer
    x = 143,006.83

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1.5x scale

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.