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Finding the Fourth Proportional to 125,039.25, 172,554.30 and 68,450.76

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Solution

The fourth proportional to 125,039.25, 172,554.30 and 68,450.76 is: 94,462.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,039.25 : 172,554.30 = 68,450.76 : x
  2. Step 2: Convert to fraction form
    125,039.25/172,554.30 = 68,450.76/x
  3. Step 3: Cross multiply
    125,039.25x = 172,554.30 × 68,450.76
  4. Step 4: Simplify right side
    125,039.25x = 11,811,472,976.27
  5. Step 5: Solve for x
    x = 11,811,472,976.27/125,039.25
  6. Step 6: Final answer
    x = 94,462.12

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