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Finding the Fourth Proportional to 125,713.15, 173,469.60 and 71,994.96

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Solution

The fourth proportional to 125,713.15, 173,469.60 and 71,994.96 is: 99,344.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,713.15 : 173,469.60 = 71,994.96 : x
  2. Step 2: Convert to fraction form
    125,713.15/173,469.60 = 71,994.96/x
  3. Step 3: Cross multiply
    125,713.15x = 173,469.60 × 71,994.96
  4. Step 4: Simplify right side
    125,713.15x = 12,488,936,913.22
  5. Step 5: Solve for x
    x = 12,488,936,913.22/125,713.15
  6. Step 6: Final answer
    x = 99,344.72

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