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Finding the Fourth Proportional to 108,706.20, 162,857.70 and 61,819.80

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Solution

The fourth proportional to 108,706.20, 162,857.70 and 61,819.80 is: 92,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,706.20 : 162,857.70 = 61,819.80 : x
  2. Step 2: Convert to fraction form
    108,706.20/162,857.70 = 61,819.80/x
  3. Step 3: Cross multiply
    108,706.20x = 162,857.70 × 61,819.80
  4. Step 4: Simplify right side
    108,706.20x = 10,067,830,442.46
  5. Step 5: Solve for x
    x = 10,067,830,442.46/108,706.20
  6. Step 6: Final answer
    x = 92,615.05

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