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Finding the Fourth Proportional to 123,553.80, 185,330.70 and 73,690.20

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Solution

The fourth proportional to 123,553.80, 185,330.70 and 73,690.20 is: 110,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,553.80 : 185,330.70 = 73,690.20 : x
  2. Step 2: Convert to fraction form
    123,553.80/185,330.70 = 73,690.20/x
  3. Step 3: Cross multiply
    123,553.80x = 185,330.70 × 73,690.20
  4. Step 4: Simplify right side
    123,553.80x = 13,657,056,349.14
  5. Step 5: Solve for x
    x = 13,657,056,349.14/123,553.80
  6. Step 6: Final answer
    x = 110,535.30

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