Home / 195,974.52-270,578.40-131,540.40

Finding the Fourth Proportional to 195,974.52, 270,578.40 and 131,540.40

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Solution

The fourth proportional to 195,974.52, 270,578.40 and 131,540.40 is: 181,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,974.52 : 270,578.40 = 131,540.40 : x
  2. Step 2: Convert to fraction form
    195,974.52/270,578.40 = 131,540.40/x
  3. Step 3: Cross multiply
    195,974.52x = 270,578.40 × 131,540.40
  4. Step 4: Simplify right side
    195,974.52x = 35,591,990,967.36
  5. Step 5: Solve for x
    x = 35,591,990,967.36/195,974.52
  6. Step 6: Final answer
    x = 181,615.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.