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Finding the Fourth Proportional to 120,832.84, 166,740.18 and 67,113.28

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Solution

The fourth proportional to 120,832.84, 166,740.18 and 67,113.28 is: 92,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,832.84 : 166,740.18 = 67,113.28 : x
  2. Step 2: Convert to fraction form
    120,832.84/166,740.18 = 67,113.28/x
  3. Step 3: Cross multiply
    120,832.84x = 166,740.18 × 67,113.28
  4. Step 4: Simplify right side
    120,832.84x = 11,190,480,387.59
  5. Step 5: Solve for x
    x = 11,190,480,387.59/120,832.84
  6. Step 6: Final answer
    x = 92,611.25

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