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Finding the Fourth Proportional to 140,498.68, 193,885.50 and 76,836.28

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Solution

The fourth proportional to 140,498.68, 193,885.50 and 76,836.28 is: 106,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,498.68 : 193,885.50 = 76,836.28 : x
  2. Step 2: Convert to fraction form
    140,498.68/193,885.50 = 76,836.28/x
  3. Step 3: Cross multiply
    140,498.68x = 193,885.50 × 76,836.28
  4. Step 4: Simplify right side
    140,498.68x = 14,897,440,565.94
  5. Step 5: Solve for x
    x = 14,897,440,565.94/140,498.68
  6. Step 6: Final answer
    x = 106,032.60

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