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Finding the Fourth Proportional to 99,181.08, 136,685.28 and 67,351.32

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Solution

The fourth proportional to 99,181.08, 136,685.28 and 67,351.32 is: 92,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,181.08 : 136,685.28 = 67,351.32 : x
  2. Step 2: Convert to fraction form
    99,181.08/136,685.28 = 67,351.32/x
  3. Step 3: Cross multiply
    99,181.08x = 136,685.28 × 67,351.32
  4. Step 4: Simplify right side
    99,181.08x = 9,205,934,032.57
  5. Step 5: Solve for x
    x = 9,205,934,032.57/99,181.08
  6. Step 6: Final answer
    x = 92,819.46

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