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Finding the Fourth Proportional to 114,885.61, 172,243.67 and 82,813.25

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Solution

The fourth proportional to 114,885.61, 172,243.67 and 82,813.25 is: 124,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,885.61 : 172,243.67 = 82,813.25 : x
  2. Step 2: Convert to fraction form
    114,885.61/172,243.67 = 82,813.25/x
  3. Step 3: Cross multiply
    114,885.61x = 172,243.67 × 82,813.25
  4. Step 4: Simplify right side
    114,885.61x = 14,264,058,121.17
  5. Step 5: Solve for x
    x = 14,264,058,121.17/114,885.61
  6. Step 6: Final answer
    x = 124,158.79

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