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Finding the Fourth Proportional to 112,120.64, 167,990.63 and 67,653.95

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Solution

The fourth proportional to 112,120.64, 167,990.63 and 67,653.95 is: 101,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.64 : 167,990.63 = 67,653.95 : x
  2. Step 2: Convert to fraction form
    112,120.64/167,990.63 = 67,653.95/x
  3. Step 3: Cross multiply
    112,120.64x = 167,990.63 × 67,653.95
  4. Step 4: Simplify right side
    112,120.64x = 11,365,229,682.49
  5. Step 5: Solve for x
    x = 11,365,229,682.49/112,120.64
  6. Step 6: Final answer
    x = 101,366.08

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