Home / 188,072.13-282,180.19-113,245.75

Finding the Fourth Proportional to 188,072.13, 282,180.19 and 113,245.75

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Solution

The fourth proportional to 188,072.13, 282,180.19 and 113,245.75 is: 169,911.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,072.13 : 282,180.19 = 113,245.75 : x
  2. Step 2: Convert to fraction form
    188,072.13/282,180.19 = 113,245.75/x
  3. Step 3: Cross multiply
    188,072.13x = 282,180.19 × 113,245.75
  4. Step 4: Simplify right side
    188,072.13x = 31,955,707,251.69
  5. Step 5: Solve for x
    x = 31,955,707,251.69/188,072.13
  6. Step 6: Final answer
    x = 169,911.98

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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.