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Finding the Fourth Proportional to 110,723.80, 166,085.70 and 108,779.80

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Solution

The fourth proportional to 110,723.80, 166,085.70 and 108,779.80 is: 163,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.80 : 166,085.70 = 108,779.80 : x
  2. Step 2: Convert to fraction form
    110,723.80/166,085.70 = 108,779.80/x
  3. Step 3: Cross multiply
    110,723.80x = 166,085.70 × 108,779.80
  4. Step 4: Simplify right side
    110,723.80x = 18,066,769,228.86
  5. Step 5: Solve for x
    x = 18,066,769,228.86/110,723.80
  6. Step 6: Final answer
    x = 163,169.70

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