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Finding the Fourth Proportional to 110,720.80, 154,659.20 and 110,720.80

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Solution

The fourth proportional to 110,720.80, 154,659.20 and 110,720.80 is: 154,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720.80 : 154,659.20 = 110,720.80 : x
  2. Step 2: Convert to fraction form
    110,720.80/154,659.20 = 110,720.80/x
  3. Step 3: Cross multiply
    110,720.80x = 154,659.20 × 110,720.80
  4. Step 4: Simplify right side
    110,720.80x = 17,123,990,351.36
  5. Step 5: Solve for x
    x = 17,123,990,351.36/110,720.80
  6. Step 6: Final answer
    x = 154,659.20

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