Home / 263,732.12-395,662.98-76,745.24

Finding the Fourth Proportional to 263,732.12, 395,662.98 and 76,745.24

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Solution

The fourth proportional to 263,732.12, 395,662.98 and 76,745.24 is: 115,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,732.12 : 395,662.98 = 76,745.24 : x
  2. Step 2: Convert to fraction form
    263,732.12/395,662.98 = 76,745.24/x
  3. Step 3: Cross multiply
    263,732.12x = 395,662.98 × 76,745.24
  4. Step 4: Simplify right side
    263,732.12x = 30,365,250,359.22
  5. Step 5: Solve for x
    x = 30,365,250,359.22/263,732.12
  6. Step 6: Final answer
    x = 115,136.72

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1.5x scale

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.