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Finding the Fourth Proportional to 89,997.30, 134,801.55 and 74,445.30

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Solution

The fourth proportional to 89,997.30, 134,801.55 and 74,445.30 is: 111,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,997.30 : 134,801.55 = 74,445.30 : x
  2. Step 2: Convert to fraction form
    89,997.30/134,801.55 = 74,445.30/x
  3. Step 3: Cross multiply
    89,997.30x = 134,801.55 × 74,445.30
  4. Step 4: Simplify right side
    89,997.30x = 10,035,341,830.22
  5. Step 5: Solve for x
    x = 10,035,341,830.22/89,997.30
  6. Step 6: Final answer
    x = 111,507.14

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