Home / 263,180.90-394,512.15-130,081.70

Finding the Fourth Proportional to 263,180.90, 394,512.15 and 130,081.70

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Solution

The fourth proportional to 263,180.90, 394,512.15 and 130,081.70 is: 194,994.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,180.90 : 394,512.15 = 130,081.70 : x
  2. Step 2: Convert to fraction form
    263,180.90/394,512.15 = 130,081.70/x
  3. Step 3: Cross multiply
    263,180.90x = 394,512.15 × 130,081.70
  4. Step 4: Simplify right side
    263,180.90x = 51,318,811,142.66
  5. Step 5: Solve for x
    x = 51,318,811,142.66/263,180.90
  6. Step 6: Final answer
    x = 194,994.44

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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.