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Finding the Fourth Proportional to 193,774.12, 290,703.30 and 81,390.22

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Solution

The fourth proportional to 193,774.12, 290,703.30 and 81,390.22 is: 122,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,774.12 : 290,703.30 = 81,390.22 : x
  2. Step 2: Convert to fraction form
    193,774.12/290,703.30 = 81,390.22/x
  3. Step 3: Cross multiply
    193,774.12x = 290,703.30 × 81,390.22
  4. Step 4: Simplify right side
    193,774.12x = 23,660,405,541.73
  5. Step 5: Solve for x
    x = 23,660,405,541.73/193,774.12
  6. Step 6: Final answer
    x = 122,103.02

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