Home / 213,976.42-320,954.88-80,846.44

Finding the Fourth Proportional to 213,976.42, 320,954.88 and 80,846.44

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Solution

The fourth proportional to 213,976.42, 320,954.88 and 80,846.44 is: 121,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,976.42 : 320,954.88 = 80,846.44 : x
  2. Step 2: Convert to fraction form
    213,976.42/320,954.88 = 80,846.44/x
  3. Step 3: Cross multiply
    213,976.42x = 320,954.88 × 80,846.44
  4. Step 4: Simplify right side
    213,976.42x = 25,948,059,448.63
  5. Step 5: Solve for x
    x = 25,948,059,448.63/213,976.42
  6. Step 6: Final answer
    x = 121,265.98

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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.