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Finding the Fourth Proportional to 101,998.80, 152,998.20 and 27,118.80

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Solution

The fourth proportional to 101,998.80, 152,998.20 and 27,118.80 is: 40,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,998.80 : 152,998.20 = 27,118.80 : x
  2. Step 2: Convert to fraction form
    101,998.80/152,998.20 = 27,118.80/x
  3. Step 3: Cross multiply
    101,998.80x = 152,998.20 × 27,118.80
  4. Step 4: Simplify right side
    101,998.80x = 4,149,127,586.16
  5. Step 5: Solve for x
    x = 4,149,127,586.16/101,998.80
  6. Step 6: Final answer
    x = 40,678.20

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