Home / 195,723.45-270,093.78-115,156.17

Finding the Fourth Proportional to 195,723.45, 270,093.78 and 115,156.17

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Solution

The fourth proportional to 195,723.45, 270,093.78 and 115,156.17 is: 158,912.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,723.45 : 270,093.78 = 115,156.17 : x
  2. Step 2: Convert to fraction form
    195,723.45/270,093.78 = 115,156.17/x
  3. Step 3: Cross multiply
    195,723.45x = 270,093.78 × 115,156.17
  4. Step 4: Simplify right side
    195,723.45x = 31,102,965,245.62
  5. Step 5: Solve for x
    x = 31,102,965,245.62/195,723.45
  6. Step 6: Final answer
    x = 158,912.82

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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.