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Finding the Fourth Proportional to 115,874.20, 173,811.30 and 45,744.40

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Solution

The fourth proportional to 115,874.20, 173,811.30 and 45,744.40 is: 68,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,874.20 : 173,811.30 = 45,744.40 : x
  2. Step 2: Convert to fraction form
    115,874.20/173,811.30 = 45,744.40/x
  3. Step 3: Cross multiply
    115,874.20x = 173,811.30 × 45,744.40
  4. Step 4: Simplify right side
    115,874.20x = 7,950,893,631.72
  5. Step 5: Solve for x
    x = 7,950,893,631.72/115,874.20
  6. Step 6: Final answer
    x = 68,616.60

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