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Finding the Fourth Proportional to 115,404.80, 173,107.20 and 97,908.80

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Solution

The fourth proportional to 115,404.80, 173,107.20 and 97,908.80 is: 146,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,404.80 : 173,107.20 = 97,908.80 : x
  2. Step 2: Convert to fraction form
    115,404.80/173,107.20 = 97,908.80/x
  3. Step 3: Cross multiply
    115,404.80x = 173,107.20 × 97,908.80
  4. Step 4: Simplify right side
    115,404.80x = 16,948,718,223.36
  5. Step 5: Solve for x
    x = 16,948,718,223.36/115,404.80
  6. Step 6: Final answer
    x = 146,863.20

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