Home / 195,383.12-269,643.20-109,350.72

Finding the Fourth Proportional to 195,383.12, 269,643.20 and 109,350.72

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Solution

The fourth proportional to 195,383.12, 269,643.20 and 109,350.72 is: 150,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,383.12 : 269,643.20 = 109,350.72 : x
  2. Step 2: Convert to fraction form
    195,383.12/269,643.20 = 109,350.72/x
  3. Step 3: Cross multiply
    195,383.12x = 269,643.20 × 109,350.72
  4. Step 4: Simplify right side
    195,383.12x = 29,485,678,063.10
  5. Step 5: Solve for x
    x = 29,485,678,063.10/195,383.12
  6. Step 6: Final answer
    x = 150,912.11

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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.