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Finding the Fourth Proportional to 192,021.40, 288,032.10 and 178,024.60

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Solution

The fourth proportional to 192,021.40, 288,032.10 and 178,024.60 is: 267,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,021.40 : 288,032.10 = 178,024.60 : x
  2. Step 2: Convert to fraction form
    192,021.40/288,032.10 = 178,024.60/x
  3. Step 3: Cross multiply
    192,021.40x = 288,032.10 × 178,024.60
  4. Step 4: Simplify right side
    192,021.40x = 51,276,799,389.66
  5. Step 5: Solve for x
    x = 51,276,799,389.66/192,021.40
  6. Step 6: Final answer
    x = 267,036.90

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