Home / 262,049.13-393,073.41-82,135.80

Finding the Fourth Proportional to 262,049.13, 393,073.41 and 82,135.80

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Solution

The fourth proportional to 262,049.13, 393,073.41 and 82,135.80 is: 123,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,049.13 : 393,073.41 = 82,135.80 : x
  2. Step 2: Convert to fraction form
    262,049.13/393,073.41 = 82,135.80/x
  3. Step 3: Cross multiply
    262,049.13x = 393,073.41 × 82,135.80
  4. Step 4: Simplify right side
    262,049.13x = 32,285,398,989.08
  5. Step 5: Solve for x
    x = 32,285,398,989.08/262,049.13
  6. Step 6: Final answer
    x = 123,203.61

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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.