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Finding the Fourth Proportional to 120,084.77, 165,702.62 and 66,362.48

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Solution

The fourth proportional to 120,084.77, 165,702.62 and 66,362.48 is: 91,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,084.77 : 165,702.62 = 66,362.48 : x
  2. Step 2: Convert to fraction form
    120,084.77/165,702.62 = 66,362.48/x
  3. Step 3: Cross multiply
    120,084.77x = 165,702.62 × 66,362.48
  4. Step 4: Simplify right side
    120,084.77x = 10,996,436,805.70
  5. Step 5: Solve for x
    x = 10,996,436,805.70/120,084.77
  6. Step 6: Final answer
    x = 91,572.29

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