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Finding the Fourth Proportional to 115,746.20, 173,676.90 and 45,627.80

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Solution

The fourth proportional to 115,746.20, 173,676.90 and 45,627.80 is: 68,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,746.20 : 173,676.90 = 45,627.80 : x
  2. Step 2: Convert to fraction form
    115,746.20/173,676.90 = 45,627.80/x
  3. Step 3: Cross multiply
    115,746.20x = 173,676.90 × 45,627.80
  4. Step 4: Simplify right side
    115,746.20x = 7,924,494,857.82
  5. Step 5: Solve for x
    x = 7,924,494,857.82/115,746.20
  6. Step 6: Final answer
    x = 68,464.41

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