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Finding the Fourth Proportional to 112,506.17, 168,821.51 and 67,416.75

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Solution

The fourth proportional to 112,506.17, 168,821.51 and 67,416.75 is: 101,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,506.17 : 168,821.51 = 67,416.75 : x
  2. Step 2: Convert to fraction form
    112,506.17/168,821.51 = 67,416.75/x
  3. Step 3: Cross multiply
    112,506.17x = 168,821.51 × 67,416.75
  4. Step 4: Simplify right side
    112,506.17x = 11,381,397,197.21
  5. Step 5: Solve for x
    x = 11,381,397,197.21/112,506.17
  6. Step 6: Final answer
    x = 101,162.43

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