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Finding the Fourth Proportional to 93,659.40, 140,489.10 and 92,104.20

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Solution

The fourth proportional to 93,659.40, 140,489.10 and 92,104.20 is: 138,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,659.40 : 140,489.10 = 92,104.20 : x
  2. Step 2: Convert to fraction form
    93,659.40/140,489.10 = 92,104.20/x
  3. Step 3: Cross multiply
    93,659.40x = 140,489.10 × 92,104.20
  4. Step 4: Simplify right side
    93,659.40x = 12,939,636,164.22
  5. Step 5: Solve for x
    x = 12,939,636,164.22/93,659.40
  6. Step 6: Final answer
    x = 138,156.30

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