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Finding the Fourth Proportional to 117,375.40, 176,408.70 and 115,301.80

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Solution

The fourth proportional to 117,375.40, 176,408.70 and 115,301.80 is: 173,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,375.40 : 176,408.70 = 115,301.80 : x
  2. Step 2: Convert to fraction form
    117,375.40/176,408.70 = 115,301.80/x
  3. Step 3: Cross multiply
    117,375.40x = 176,408.70 × 115,301.80
  4. Step 4: Simplify right side
    117,375.40x = 20,340,240,645.66
  5. Step 5: Solve for x
    x = 20,340,240,645.66/117,375.40
  6. Step 6: Final answer
    x = 173,292.19

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