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Finding the Fourth Proportional to 223,171.14, 307,975.21 and 121,195.88

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Solution

The fourth proportional to 223,171.14, 307,975.21 and 121,195.88 is: 167,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,171.14 : 307,975.21 = 121,195.88 : x
  2. Step 2: Convert to fraction form
    223,171.14/307,975.21 = 121,195.88/x
  3. Step 3: Cross multiply
    223,171.14x = 307,975.21 × 121,195.88
  4. Step 4: Simplify right side
    223,171.14x = 37,325,326,594.13
  5. Step 5: Solve for x
    x = 37,325,326,594.13/223,171.14
  6. Step 6: Final answer
    x = 167,249.79

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