Home / 189,730.80-261,843.39-108,062.52

Finding the Fourth Proportional to 189,730.80, 261,843.39 and 108,062.52

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Solution

The fourth proportional to 189,730.80, 261,843.39 and 108,062.52 is: 149,134.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,730.80 : 261,843.39 = 108,062.52 : x
  2. Step 2: Convert to fraction form
    189,730.80/261,843.39 = 108,062.52/x
  3. Step 3: Cross multiply
    189,730.80x = 261,843.39 × 108,062.52
  4. Step 4: Simplify right side
    189,730.80x = 28,295,456,568.74
  5. Step 5: Solve for x
    x = 28,295,456,568.74/189,730.80
  6. Step 6: Final answer
    x = 149,134.76

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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.