Home / 199,949.04-275,959.71-115,049.70

Finding the Fourth Proportional to 199,949.04, 275,959.71 and 115,049.70

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Solution

The fourth proportional to 199,949.04, 275,959.71 and 115,049.70 is: 158,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,949.04 : 275,959.71 = 115,049.70 : x
  2. Step 2: Convert to fraction form
    199,949.04/275,959.71 = 115,049.70/x
  3. Step 3: Cross multiply
    199,949.04x = 275,959.71 × 115,049.70
  4. Step 4: Simplify right side
    199,949.04x = 31,749,081,847.59
  5. Step 5: Solve for x
    x = 31,749,081,847.59/199,949.04
  6. Step 6: Final answer
    x = 158,785.87

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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.