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Finding the Fourth Proportional to 103,627.24, 155,265.90 and 82,807

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Solution

The fourth proportional to 103,627.24, 155,265.90 and 82,807 is: 124,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.24 : 155,265.90 = 82,807 : x
  2. Step 2: Convert to fraction form
    103,627.24/155,265.90 = 82,807/x
  3. Step 3: Cross multiply
    103,627.24x = 155,265.90 × 82,807
  4. Step 4: Simplify right side
    103,627.24x = 12,857,103,381.30
  5. Step 5: Solve for x
    x = 12,857,103,381.30/103,627.24
  6. Step 6: Final answer
    x = 124,070.69

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