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Finding the Fourth Proportional to 111,372.60, 166,985.10 and 61,476.60

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Solution

The fourth proportional to 111,372.60, 166,985.10 and 61,476.60 is: 92,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,372.60 : 166,985.10 = 61,476.60 : x
  2. Step 2: Convert to fraction form
    111,372.60/166,985.10 = 61,476.60/x
  3. Step 3: Cross multiply
    111,372.60x = 166,985.10 × 61,476.60
  4. Step 4: Simplify right side
    111,372.60x = 10,265,676,198.66
  5. Step 5: Solve for x
    x = 10,265,676,198.66/111,372.60
  6. Step 6: Final answer
    x = 92,174.16

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