Home / 131,270.25-196,919.06-50,217.12

Finding the Fourth Proportional to 131,270.25, 196,919.06 and 50,217.12

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Solution

The fourth proportional to 131,270.25, 196,919.06 and 50,217.12 is: 75,330.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,270.25 : 196,919.06 = 50,217.12 : x
  2. Step 2: Convert to fraction form
    131,270.25/196,919.06 = 50,217.12/x
  3. Step 3: Cross multiply
    131,270.25x = 196,919.06 × 50,217.12
  4. Step 4: Simplify right side
    131,270.25x = 9,888,707,815.22
  5. Step 5: Solve for x
    x = 9,888,707,815.22/131,270.25
  6. Step 6: Final answer
    x = 75,330.91

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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.