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Finding the Fourth Proportional to 125,687.94, 173,431.32 and 73,974.30

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Solution

The fourth proportional to 125,687.94, 173,431.32 and 73,974.30 is: 102,073.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687.94 : 173,431.32 = 73,974.30 : x
  2. Step 2: Convert to fraction form
    125,687.94/173,431.32 = 73,974.30/x
  3. Step 3: Cross multiply
    125,687.94x = 173,431.32 × 73,974.30
  4. Step 4: Simplify right side
    125,687.94x = 12,829,460,125.20
  5. Step 5: Solve for x
    x = 12,829,460,125.20/125,687.94
  6. Step 6: Final answer
    x = 102,073.92

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