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Finding the Fourth Proportional to 115,450.52, 173,230.56 and 79,966.40

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Solution

The fourth proportional to 115,450.52, 173,230.56 and 79,966.40 is: 119,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,450.52 : 173,230.56 = 79,966.40 : x
  2. Step 2: Convert to fraction form
    115,450.52/173,230.56 = 79,966.40/x
  3. Step 3: Cross multiply
    115,450.52x = 173,230.56 × 79,966.40
  4. Step 4: Simplify right side
    115,450.52x = 13,852,624,253.18
  5. Step 5: Solve for x
    x = 13,852,624,253.18/115,450.52
  6. Step 6: Final answer
    x = 119,987.54

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