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Finding the Fourth Proportional to 74,511.16, 111,840.18 and 54,734.20

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Solution

The fourth proportional to 74,511.16, 111,840.18 and 54,734.20 is: 82,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,511.16 : 111,840.18 = 54,734.20 : x
  2. Step 2: Convert to fraction form
    74,511.16/111,840.18 = 54,734.20/x
  3. Step 3: Cross multiply
    74,511.16x = 111,840.18 × 54,734.20
  4. Step 4: Simplify right side
    74,511.16x = 6,121,482,780.16
  5. Step 5: Solve for x
    x = 6,121,482,780.16/74,511.16
  6. Step 6: Final answer
    x = 82,155.25

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