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Finding the Fourth Proportional to 211,998.11, 292,596.81 and 121,354.08

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Solution

The fourth proportional to 211,998.11, 292,596.81 and 121,354.08 is: 167,491.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,998.11 : 292,596.81 = 121,354.08 : x
  2. Step 2: Convert to fraction form
    211,998.11/292,596.81 = 121,354.08/x
  3. Step 3: Cross multiply
    211,998.11x = 292,596.81 × 121,354.08
  4. Step 4: Simplify right side
    211,998.11x = 35,507,817,107.69
  5. Step 5: Solve for x
    x = 35,507,817,107.69/211,998.11
  6. Step 6: Final answer
    x = 167,491.19

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