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Finding the Fourth Proportional to 140,722.90, 194,197.70 and 77,060.71

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Solution

The fourth proportional to 140,722.90, 194,197.70 and 77,060.71 is: 106,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,722.90 : 194,197.70 = 77,060.71 : x
  2. Step 2: Convert to fraction form
    140,722.90/194,197.70 = 77,060.71/x
  3. Step 3: Cross multiply
    140,722.90x = 194,197.70 × 77,060.71
  4. Step 4: Simplify right side
    140,722.90x = 14,965,012,642.37
  5. Step 5: Solve for x
    x = 14,965,012,642.37/140,722.90
  6. Step 6: Final answer
    x = 106,343.83

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