Home / 255,942.56-383,749.81-106,286.15

Finding the Fourth Proportional to 255,942.56, 383,749.81 and 106,286.15

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Solution

The fourth proportional to 255,942.56, 383,749.81 and 106,286.15 is: 159,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,942.56 : 383,749.81 = 106,286.15 : x
  2. Step 2: Convert to fraction form
    255,942.56/383,749.81 = 106,286.15/x
  3. Step 3: Cross multiply
    255,942.56x = 383,749.81 × 106,286.15
  4. Step 4: Simplify right side
    255,942.56x = 40,787,289,336.70
  5. Step 5: Solve for x
    x = 40,787,289,336.70/255,942.56
  6. Step 6: Final answer
    x = 159,361.11

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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.