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Finding the Fourth Proportional to 193,766.40, 290,433.60 and 75,398.40

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Solution

The fourth proportional to 193,766.40, 290,433.60 and 75,398.40 is: 113,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,766.40 : 290,433.60 = 75,398.40 : x
  2. Step 2: Convert to fraction form
    193,766.40/290,433.60 = 75,398.40/x
  3. Step 3: Cross multiply
    193,766.40x = 290,433.60 × 75,398.40
  4. Step 4: Simplify right side
    193,766.40x = 21,898,228,746.24
  5. Step 5: Solve for x
    x = 21,898,228,746.24/193,766.40
  6. Step 6: Final answer
    x = 113,013.55

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