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Finding the Fourth Proportional to 112,611.17, 168,965.76 and 70,587.56

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Solution

The fourth proportional to 112,611.17, 168,965.76 and 70,587.56 is: 105,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,611.17 : 168,965.76 = 70,587.56 : x
  2. Step 2: Convert to fraction form
    112,611.17/168,965.76 = 70,587.56/x
  3. Step 3: Cross multiply
    112,611.17x = 168,965.76 × 70,587.56
  4. Step 4: Simplify right side
    112,611.17x = 11,926,880,721.95
  5. Step 5: Solve for x
    x = 11,926,880,721.95/112,611.17
  6. Step 6: Final answer
    x = 105,912.06

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