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Finding the Fourth Proportional to 93,679.40, 140,519.10 and 92,124.20

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Solution

The fourth proportional to 93,679.40, 140,519.10 and 92,124.20 is: 138,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,679.40 : 140,519.10 = 92,124.20 : x
  2. Step 2: Convert to fraction form
    93,679.40/140,519.10 = 92,124.20/x
  3. Step 3: Cross multiply
    93,679.40x = 140,519.10 × 92,124.20
  4. Step 4: Simplify right side
    93,679.40x = 12,945,209,672.22
  5. Step 5: Solve for x
    x = 12,945,209,672.22/93,679.40
  6. Step 6: Final answer
    x = 138,186.30

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