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Finding the Fourth Proportional to 147,818.30, 221,472.30 and 68,770.40

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Solution

The fourth proportional to 147,818.30, 221,472.30 and 68,770.40 is: 103,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.30 : 221,472.30 = 68,770.40 : x
  2. Step 2: Convert to fraction form
    147,818.30/221,472.30 = 68,770.40/x
  3. Step 3: Cross multiply
    147,818.30x = 221,472.30 × 68,770.40
  4. Step 4: Simplify right side
    147,818.30x = 15,230,738,659.92
  5. Step 5: Solve for x
    x = 15,230,738,659.92/147,818.30
  6. Step 6: Final answer
    x = 103,036.90

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