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Finding the Fourth Proportional to 110,784.80, 166,063.80 and 54,538.40

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Solution

The fourth proportional to 110,784.80, 166,063.80 and 54,538.40 is: 81,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,784.80 : 166,063.80 = 54,538.40 : x
  2. Step 2: Convert to fraction form
    110,784.80/166,063.80 = 54,538.40/x
  3. Step 3: Cross multiply
    110,784.80x = 166,063.80 × 54,538.40
  4. Step 4: Simplify right side
    110,784.80x = 9,056,853,949.92
  5. Step 5: Solve for x
    x = 9,056,853,949.92/110,784.80
  6. Step 6: Final answer
    x = 81,751.77

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