Home / 126,110.33-189,169.00-31,336.69

Finding the Fourth Proportional to 126,110.33, 189,169.00 and 31,336.69

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Solution

The fourth proportional to 126,110.33, 189,169.00 and 31,336.69 is: 47,005.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.33 : 189,169.00 = 31,336.69 : x
  2. Step 2: Convert to fraction form
    126,110.33/189,169.00 = 31,336.69/x
  3. Step 3: Cross multiply
    126,110.33x = 189,169.00 × 31,336.69
  4. Step 4: Simplify right side
    126,110.33x = 5,927,930,290.31
  5. Step 5: Solve for x
    x = 5,927,930,290.31/126,110.33
  6. Step 6: Final answer
    x = 47,005.90

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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.