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Finding the Fourth Proportional to 193,440.74, 290,174.44 and 81,007.75

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Solution

The fourth proportional to 193,440.74, 290,174.44 and 81,007.75 is: 121,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,440.74 : 290,174.44 = 81,007.75 : x
  2. Step 2: Convert to fraction form
    193,440.74/290,174.44 = 81,007.75/x
  3. Step 3: Cross multiply
    193,440.74x = 290,174.44 × 81,007.75
  4. Step 4: Simplify right side
    193,440.74x = 23,506,379,150.42
  5. Step 5: Solve for x
    x = 23,506,379,150.42/193,440.74
  6. Step 6: Final answer
    x = 121,517.21

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