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Finding the Fourth Proportional to 214,643.80, 322,272.90 and 121,331.80

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Solution

The fourth proportional to 214,643.80, 322,272.90 and 121,331.80 is: 182,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,643.80 : 322,272.90 = 121,331.80 : x
  2. Step 2: Convert to fraction form
    214,643.80/322,272.90 = 121,331.80/x
  3. Step 3: Cross multiply
    214,643.80x = 322,272.90 × 121,331.80
  4. Step 4: Simplify right side
    214,643.80x = 39,101,951,048.22
  5. Step 5: Solve for x
    x = 39,101,951,048.22/214,643.80
  6. Step 6: Final answer
    x = 182,171.35

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