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Finding the Fourth Proportional to 111,008.40, 166,075.20 and 96,379.80

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Solution

The fourth proportional to 111,008.40, 166,075.20 and 96,379.80 is: 144,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.40 : 166,075.20 = 96,379.80 : x
  2. Step 2: Convert to fraction form
    111,008.40/166,075.20 = 96,379.80/x
  3. Step 3: Cross multiply
    111,008.40x = 166,075.20 × 96,379.80
  4. Step 4: Simplify right side
    111,008.40x = 16,006,294,560.96
  5. Step 5: Solve for x
    x = 16,006,294,560.96/111,008.40
  6. Step 6: Final answer
    x = 144,189.94

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