Home / 213,584.97-320,423.42-63,837.43

Finding the Fourth Proportional to 213,584.97, 320,423.42 and 63,837.43

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Solution

The fourth proportional to 213,584.97, 320,423.42 and 63,837.43 is: 95,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,584.97 : 320,423.42 = 63,837.43 : x
  2. Step 2: Convert to fraction form
    213,584.97/320,423.42 = 63,837.43/x
  3. Step 3: Cross multiply
    213,584.97x = 320,423.42 × 63,837.43
  4. Step 4: Simplify right side
    213,584.97x = 20,455,007,644.61
  5. Step 5: Solve for x
    x = 20,455,007,644.61/213,584.97
  6. Step 6: Final answer
    x = 95,769.88

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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.