Home / 126,601.45-189,903.98-33,107.20

Finding the Fourth Proportional to 126,601.45, 189,903.98 and 33,107.20

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Solution

The fourth proportional to 126,601.45, 189,903.98 and 33,107.20 is: 49,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,601.45 : 189,903.98 = 33,107.20 : x
  2. Step 2: Convert to fraction form
    126,601.45/189,903.98 = 33,107.20/x
  3. Step 3: Cross multiply
    126,601.45x = 189,903.98 × 33,107.20
  4. Step 4: Simplify right side
    126,601.45x = 6,287,189,046.66
  5. Step 5: Solve for x
    x = 6,287,189,046.66/126,601.45
  6. Step 6: Final answer
    x = 49,661.27

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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.