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Finding the Fourth Proportional to 136,040.80, 204,061.20 and 134,728.60

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Solution

The fourth proportional to 136,040.80, 204,061.20 and 134,728.60 is: 202,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,040.80 : 204,061.20 = 134,728.60 : x
  2. Step 2: Convert to fraction form
    136,040.80/204,061.20 = 134,728.60/x
  3. Step 3: Cross multiply
    136,040.80x = 204,061.20 × 134,728.60
  4. Step 4: Simplify right side
    136,040.80x = 27,492,879,790.32
  5. Step 5: Solve for x
    x = 27,492,879,790.32/136,040.80
  6. Step 6: Final answer
    x = 202,092.90

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