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Finding the Fourth Proportional to 129,758.85, 179,036.60 and 73,159.29

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Solution

The fourth proportional to 129,758.85, 179,036.60 and 73,159.29 is: 100,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,758.85 : 179,036.60 = 73,159.29 : x
  2. Step 2: Convert to fraction form
    129,758.85/179,036.60 = 73,159.29/x
  3. Step 3: Cross multiply
    129,758.85x = 179,036.60 × 73,159.29
  4. Step 4: Simplify right side
    129,758.85x = 13,098,190,174.22
  5. Step 5: Solve for x
    x = 13,098,190,174.22/129,758.85
  6. Step 6: Final answer
    x = 100,942.56

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