Home / 255,943.06-383,750.56-106,286.65

Finding the Fourth Proportional to 255,943.06, 383,750.56 and 106,286.65

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Solution

The fourth proportional to 255,943.06, 383,750.56 and 106,286.65 is: 159,361.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,943.06 : 383,750.56 = 106,286.65 : x
  2. Step 2: Convert to fraction form
    255,943.06/383,750.56 = 106,286.65/x
  3. Step 3: Cross multiply
    255,943.06x = 383,750.56 × 106,286.65
  4. Step 4: Simplify right side
    255,943.06x = 40,787,560,926.59
  5. Step 5: Solve for x
    x = 40,787,560,926.59/255,943.06
  6. Step 6: Final answer
    x = 159,361.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.