Home / 126,111.26-189,194.56-37,371.72

Finding the Fourth Proportional to 126,111.26, 189,194.56 and 37,371.72

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Solution

The fourth proportional to 126,111.26, 189,194.56 and 37,371.72 is: 56,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111.26 : 189,194.56 = 37,371.72 : x
  2. Step 2: Convert to fraction form
    126,111.26/189,194.56 = 37,371.72/x
  3. Step 3: Cross multiply
    126,111.26x = 189,194.56 × 37,371.72
  4. Step 4: Simplify right side
    126,111.26x = 7,070,526,121.84
  5. Step 5: Solve for x
    x = 7,070,526,121.84/126,111.26
  6. Step 6: Final answer
    x = 56,065.78

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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.