Home / 195,716.46-270,084.12-115,149.18

Finding the Fourth Proportional to 195,716.46, 270,084.12 and 115,149.18

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Solution

The fourth proportional to 195,716.46, 270,084.12 and 115,149.18 is: 158,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,716.46 : 270,084.12 = 115,149.18 : x
  2. Step 2: Convert to fraction form
    195,716.46/270,084.12 = 115,149.18/x
  3. Step 3: Cross multiply
    195,716.46x = 270,084.12 × 115,149.18
  4. Step 4: Simplify right side
    195,716.46x = 31,099,964,949.02
  5. Step 5: Solve for x
    x = 31,099,964,949.02/195,716.46
  6. Step 6: Final answer
    x = 158,903.17

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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.