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Finding the Fourth Proportional to 112,498.80, 168,748.20 and 105,937.80

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Solution

The fourth proportional to 112,498.80, 168,748.20 and 105,937.80 is: 158,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,498.80 : 168,748.20 = 105,937.80 : x
  2. Step 2: Convert to fraction form
    112,498.80/168,748.20 = 105,937.80/x
  3. Step 3: Cross multiply
    112,498.80x = 168,748.20 × 105,937.80
  4. Step 4: Simplify right side
    112,498.80x = 17,876,813,061.96
  5. Step 5: Solve for x
    x = 17,876,813,061.96/112,498.80
  6. Step 6: Final answer
    x = 158,906.70

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