Home / 126,713.97-189,939.74-104,291.82

Finding the Fourth Proportional to 126,713.97, 189,939.74 and 104,291.82

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Solution

The fourth proportional to 126,713.97, 189,939.74 and 104,291.82 is: 156,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,713.97 : 189,939.74 = 104,291.82 : x
  2. Step 2: Convert to fraction form
    126,713.97/189,939.74 = 104,291.82/x
  3. Step 3: Cross multiply
    126,713.97x = 189,939.74 × 104,291.82
  4. Step 4: Simplify right side
    126,713.97x = 19,809,160,653.47
  5. Step 5: Solve for x
    x = 19,809,160,653.47/126,713.97
  6. Step 6: Final answer
    x = 156,329.73

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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.