Home / 255,015.38-382,520.78-95,085.87

Finding the Fourth Proportional to 255,015.38, 382,520.78 and 95,085.87

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Solution

The fourth proportional to 255,015.38, 382,520.78 and 95,085.87 is: 142,627.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,015.38 : 382,520.78 = 95,085.87 : x
  2. Step 2: Convert to fraction form
    255,015.38/382,520.78 = 95,085.87/x
  3. Step 3: Cross multiply
    255,015.38x = 382,520.78 × 95,085.87
  4. Step 4: Simplify right side
    255,015.38x = 36,372,321,397.09
  5. Step 5: Solve for x
    x = 36,372,321,397.09/255,015.38
  6. Step 6: Final answer
    x = 142,627.95

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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.