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Finding the Fourth Proportional to 134,805.60, 202,208.40 and 92,815.20

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Solution

The fourth proportional to 134,805.60, 202,208.40 and 92,815.20 is: 139,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,805.60 : 202,208.40 = 92,815.20 : x
  2. Step 2: Convert to fraction form
    134,805.60/202,208.40 = 92,815.20/x
  3. Step 3: Cross multiply
    134,805.60x = 202,208.40 × 92,815.20
  4. Step 4: Simplify right side
    134,805.60x = 18,768,013,087.68
  5. Step 5: Solve for x
    x = 18,768,013,087.68/134,805.60
  6. Step 6: Final answer
    x = 139,222.80

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