Home / 195,453.30-269,753.79-112,651.21

Finding the Fourth Proportional to 195,453.30, 269,753.79 and 112,651.21

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Solution

The fourth proportional to 195,453.30, 269,753.79 and 112,651.21 is: 155,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,453.30 : 269,753.79 = 112,651.21 : x
  2. Step 2: Convert to fraction form
    195,453.30/269,753.79 = 112,651.21/x
  3. Step 3: Cross multiply
    195,453.30x = 269,753.79 × 112,651.21
  4. Step 4: Simplify right side
    195,453.30x = 30,388,090,087.86
  5. Step 5: Solve for x
    x = 30,388,090,087.86/195,453.30
  6. Step 6: Final answer
    x = 155,474.94

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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.