Home / 213,583.97-320,421.92-63,836.43

Finding the Fourth Proportional to 213,583.97, 320,421.92 and 63,836.43

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Solution

The fourth proportional to 213,583.97, 320,421.92 and 63,836.43 is: 95,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,583.97 : 320,421.92 = 63,836.43 : x
  2. Step 2: Convert to fraction form
    213,583.97/320,421.92 = 63,836.43/x
  3. Step 3: Cross multiply
    213,583.97x = 320,421.92 × 63,836.43
  4. Step 4: Simplify right side
    213,583.97x = 20,454,591,147.36
  5. Step 5: Solve for x
    x = 20,454,591,147.36/213,583.97
  6. Step 6: Final answer
    x = 95,768.38

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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.