Home / 126,115.93-189,132.73-41,853.45

Finding the Fourth Proportional to 126,115.93, 189,132.73 and 41,853.45

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Solution

The fourth proportional to 126,115.93, 189,132.73 and 41,853.45 is: 62,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,115.93 : 189,132.73 = 41,853.45 : x
  2. Step 2: Convert to fraction form
    126,115.93/189,132.73 = 41,853.45/x
  3. Step 3: Cross multiply
    126,115.93x = 189,132.73 × 41,853.45
  4. Step 4: Simplify right side
    126,115.93x = 7,915,857,258.42
  5. Step 5: Solve for x
    x = 7,915,857,258.42/126,115.93
  6. Step 6: Final answer
    x = 62,766.51

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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.