Home / 126,553.39-189,833.49-55,439.44

Finding the Fourth Proportional to 126,553.39, 189,833.49 and 55,439.44

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Solution

The fourth proportional to 126,553.39, 189,833.49 and 55,439.44 is: 83,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,553.39 : 189,833.49 = 55,439.44 : x
  2. Step 2: Convert to fraction form
    126,553.39/189,833.49 = 55,439.44/x
  3. Step 3: Cross multiply
    126,553.39x = 189,833.49 × 55,439.44
  4. Step 4: Simplify right side
    126,553.39x = 10,524,261,904.26
  5. Step 5: Solve for x
    x = 10,524,261,904.26/126,553.39
  6. Step 6: Final answer
    x = 83,160.65

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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.