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Finding the Fourth Proportional to 97,406.40, 146,167.20 and 71,044.80

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Solution

The fourth proportional to 97,406.40, 146,167.20 and 71,044.80 is: 106,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,406.40 : 146,167.20 = 71,044.80 : x
  2. Step 2: Convert to fraction form
    97,406.40/146,167.20 = 71,044.80/x
  3. Step 3: Cross multiply
    97,406.40x = 146,167.20 × 71,044.80
  4. Step 4: Simplify right side
    97,406.40x = 10,384,419,490.56
  5. Step 5: Solve for x
    x = 10,384,419,490.56/97,406.40
  6. Step 6: Final answer
    x = 106,609.21

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