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Finding the Fourth Proportional to 163,928.80, 245,893.20 and 107,941.60

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Solution

The fourth proportional to 163,928.80, 245,893.20 and 107,941.60 is: 161,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,928.80 : 245,893.20 = 107,941.60 : x
  2. Step 2: Convert to fraction form
    163,928.80/245,893.20 = 107,941.60/x
  3. Step 3: Cross multiply
    163,928.80x = 245,893.20 × 107,941.60
  4. Step 4: Simplify right side
    163,928.80x = 26,542,105,437.12
  5. Step 5: Solve for x
    x = 26,542,105,437.12/163,928.80
  6. Step 6: Final answer
    x = 161,912.40

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