Home / 126,229.19-189,353.87-41,986.31

Finding the Fourth Proportional to 126,229.19, 189,353.87 and 41,986.31

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Solution

The fourth proportional to 126,229.19, 189,353.87 and 41,986.31 is: 62,982.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,229.19 : 189,353.87 = 41,986.31 : x
  2. Step 2: Convert to fraction form
    126,229.19/189,353.87 = 41,986.31/x
  3. Step 3: Cross multiply
    126,229.19x = 189,353.87 × 41,986.31
  4. Step 4: Simplify right side
    126,229.19x = 7,950,269,128.82
  5. Step 5: Solve for x
    x = 7,950,269,128.82/126,229.19
  6. Step 6: Final answer
    x = 62,982.81

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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.