Home / 213,839.12-295,171.74-123,231.19

Finding the Fourth Proportional to 213,839.12, 295,171.74 and 123,231.19

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Solution

The fourth proportional to 213,839.12, 295,171.74 and 123,231.19 is: 170,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,839.12 : 295,171.74 = 123,231.19 : x
  2. Step 2: Convert to fraction form
    213,839.12/295,171.74 = 123,231.19/x
  3. Step 3: Cross multiply
    213,839.12x = 295,171.74 × 123,231.19
  4. Step 4: Simplify right side
    213,839.12x = 36,374,364,774.57
  5. Step 5: Solve for x
    x = 36,374,364,774.57/213,839.12
  6. Step 6: Final answer
    x = 170,101.55

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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.