Home / 195,716.43-270,084.06-115,149.15

Finding the Fourth Proportional to 195,716.43, 270,084.06 and 115,149.15

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Solution

The fourth proportional to 195,716.43, 270,084.06 and 115,149.15 is: 158,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,716.43 : 270,084.06 = 115,149.15 : x
  2. Step 2: Convert to fraction form
    195,716.43/270,084.06 = 115,149.15/x
  3. Step 3: Cross multiply
    195,716.43x = 270,084.06 × 115,149.15
  4. Step 4: Simplify right side
    195,716.43x = 31,099,949,937.55
  5. Step 5: Solve for x
    x = 31,099,949,937.55/195,716.43
  6. Step 6: Final answer
    x = 158,903.11

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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.