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Finding the Fourth Proportional to 82,110.60, 123,165.90 and 61,374.60

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Solution

The fourth proportional to 82,110.60, 123,165.90 and 61,374.60 is: 92,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.60 : 123,165.90 = 61,374.60 : x
  2. Step 2: Convert to fraction form
    82,110.60/123,165.90 = 61,374.60/x
  3. Step 3: Cross multiply
    82,110.60x = 123,165.90 × 61,374.60
  4. Step 4: Simplify right side
    82,110.60x = 7,559,257,846.14
  5. Step 5: Solve for x
    x = 7,559,257,846.14/82,110.60
  6. Step 6: Final answer
    x = 92,061.90

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