Home / 195,739.52-270,121.92-106,315.52

Finding the Fourth Proportional to 195,739.52, 270,121.92 and 106,315.52

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Solution

The fourth proportional to 195,739.52, 270,121.92 and 106,315.52 is: 146,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,739.52 : 270,121.92 = 106,315.52 : x
  2. Step 2: Convert to fraction form
    195,739.52/270,121.92 = 106,315.52/x
  3. Step 3: Cross multiply
    195,739.52x = 270,121.92 × 106,315.52
  4. Step 4: Simplify right side
    195,739.52x = 28,718,152,388.20
  5. Step 5: Solve for x
    x = 28,718,152,388.20/195,739.52
  6. Step 6: Final answer
    x = 146,716.17

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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.