Home / 126,109.35-189,116.85-41,853.80

Finding the Fourth Proportional to 126,109.35, 189,116.85 and 41,853.80

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Solution

The fourth proportional to 126,109.35, 189,116.85 and 41,853.80 is: 62,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.35 : 189,116.85 = 41,853.80 : x
  2. Step 2: Convert to fraction form
    126,109.35/189,116.85 = 41,853.80/x
  3. Step 3: Cross multiply
    126,109.35x = 189,116.85 × 41,853.80
  4. Step 4: Simplify right side
    126,109.35x = 7,915,259,289.32
  5. Step 5: Solve for x
    x = 7,915,259,289.32/126,109.35
  6. Step 6: Final answer
    x = 62,765.05

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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.