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Finding the Fourth Proportional to 103,694.60, 155,541.90 and 82,958.60

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Solution

The fourth proportional to 103,694.60, 155,541.90 and 82,958.60 is: 124,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.60 : 155,541.90 = 82,958.60 : x
  2. Step 2: Convert to fraction form
    103,694.60/155,541.90 = 82,958.60/x
  3. Step 3: Cross multiply
    103,694.60x = 155,541.90 × 82,958.60
  4. Step 4: Simplify right side
    103,694.60x = 12,903,538,265.34
  5. Step 5: Solve for x
    x = 12,903,538,265.34/103,694.60
  6. Step 6: Final answer
    x = 124,437.90

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