Home / 195,711.14-270,134.52-115,164.56

Finding the Fourth Proportional to 195,711.14, 270,134.52 and 115,164.56

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Solution

The fourth proportional to 195,711.14, 270,134.52 and 115,164.56 is: 158,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,711.14 : 270,134.52 = 115,164.56 : x
  2. Step 2: Convert to fraction form
    195,711.14/270,134.52 = 115,164.56/x
  3. Step 3: Cross multiply
    195,711.14x = 270,134.52 × 115,164.56
  4. Step 4: Simplify right side
    195,711.14x = 31,109,923,136.61
  5. Step 5: Solve for x
    x = 31,109,923,136.61/195,711.14
  6. Step 6: Final answer
    x = 158,958.37

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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.