Home / 263,535.25-395,376.78-105,874.42

Finding the Fourth Proportional to 263,535.25, 395,376.78 and 105,874.42

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Solution

The fourth proportional to 263,535.25, 395,376.78 and 105,874.42 is: 158,841.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,535.25 : 395,376.78 = 105,874.42 : x
  2. Step 2: Convert to fraction form
    263,535.25/395,376.78 = 105,874.42/x
  3. Step 3: Cross multiply
    263,535.25x = 395,376.78 × 105,874.42
  4. Step 4: Simplify right side
    263,535.25x = 41,860,287,263.97
  5. Step 5: Solve for x
    x = 41,860,287,263.97/263,535.25
  6. Step 6: Final answer
    x = 158,841.32

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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.