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Finding the Fourth Proportional to 140,456.63, 193,830.21 and 76,794.95

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Solution

The fourth proportional to 140,456.63, 193,830.21 and 76,794.95 is: 105,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,456.63 : 193,830.21 = 76,794.95 : x
  2. Step 2: Convert to fraction form
    140,456.63/193,830.21 = 76,794.95/x
  3. Step 3: Cross multiply
    140,456.63x = 193,830.21 × 76,794.95
  4. Step 4: Simplify right side
    140,456.63x = 14,885,180,316.29
  5. Step 5: Solve for x
    x = 14,885,180,316.29/140,456.63
  6. Step 6: Final answer
    x = 105,977.06

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