Home / 263,622-395,351.22-95,120.40

Finding the Fourth Proportional to 263,622, 395,351.22 and 95,120.40

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Solution

The fourth proportional to 263,622, 395,351.22 and 95,120.40 is: 142,651.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,622 : 395,351.22 = 95,120.40 : x
  2. Step 2: Convert to fraction form
    263,622/395,351.22 = 95,120.40/x
  3. Step 3: Cross multiply
    263,622x = 395,351.22 × 95,120.40
  4. Step 4: Simplify right side
    263,622x = 37,605,966,186.89
  5. Step 5: Solve for x
    x = 37,605,966,186.89/263,622
  6. Step 6: Final answer
    x = 142,651.09

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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.