Home / 199,260.82-274,975.05-108,619.30

Finding the Fourth Proportional to 199,260.82, 274,975.05 and 108,619.30

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Solution

The fourth proportional to 199,260.82, 274,975.05 and 108,619.30 is: 149,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,260.82 : 274,975.05 = 108,619.30 : x
  2. Step 2: Convert to fraction form
    199,260.82/274,975.05 = 108,619.30/x
  3. Step 3: Cross multiply
    199,260.82x = 274,975.05 × 108,619.30
  4. Step 4: Simplify right side
    199,260.82x = 29,867,597,448.47
  5. Step 5: Solve for x
    x = 29,867,597,448.47/199,260.82
  6. Step 6: Final answer
    x = 149,891.97

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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.