Home / 213,839.24-295,171.91-123,231.31

Finding the Fourth Proportional to 213,839.24, 295,171.91 and 123,231.31

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Solution

The fourth proportional to 213,839.24, 295,171.91 and 123,231.31 is: 170,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,839.24 : 295,171.91 = 123,231.31 : x
  2. Step 2: Convert to fraction form
    213,839.24/295,171.91 = 123,231.31/x
  3. Step 3: Cross multiply
    213,839.24x = 295,171.91 × 123,231.31
  4. Step 4: Simplify right side
    213,839.24x = 36,374,421,144.50
  5. Step 5: Solve for x
    x = 36,374,421,144.50/213,839.24
  6. Step 6: Final answer
    x = 170,101.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.