Home / 199,260.69-274,976.20-108,617.43

Finding the Fourth Proportional to 199,260.69, 274,976.20 and 108,617.43

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Solution

The fourth proportional to 199,260.69, 274,976.20 and 108,617.43 is: 149,890.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,260.69 : 274,976.20 = 108,617.43 : x
  2. Step 2: Convert to fraction form
    199,260.69/274,976.20 = 108,617.43/x
  3. Step 3: Cross multiply
    199,260.69x = 274,976.20 × 108,617.43
  4. Step 4: Simplify right side
    199,260.69x = 29,867,208,155.17
  5. Step 5: Solve for x
    x = 29,867,208,155.17/199,260.69
  6. Step 6: Final answer
    x = 149,890.12

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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.