Home / 188,013.26-281,879.62-113,115.85

Finding the Fourth Proportional to 188,013.26, 281,879.62 and 113,115.85

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Solution

The fourth proportional to 188,013.26, 281,879.62 and 113,115.85 is: 169,589.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,013.26 : 281,879.62 = 113,115.85 : x
  2. Step 2: Convert to fraction form
    188,013.26/281,879.62 = 113,115.85/x
  3. Step 3: Cross multiply
    188,013.26x = 281,879.62 × 113,115.85
  4. Step 4: Simplify right side
    188,013.26x = 31,885,052,813.98
  5. Step 5: Solve for x
    x = 31,885,052,813.98/188,013.26
  6. Step 6: Final answer
    x = 169,589.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.