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Finding the Fourth Proportional to 141,381.20, 195,101.12 and 77,718.54

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Solution

The fourth proportional to 141,381.20, 195,101.12 and 77,718.54 is: 107,248.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,381.20 : 195,101.12 = 77,718.54 : x
  2. Step 2: Convert to fraction form
    141,381.20/195,101.12 = 77,718.54/x
  3. Step 3: Cross multiply
    141,381.20x = 195,101.12 × 77,718.54
  4. Step 4: Simplify right side
    141,381.20x = 15,162,974,198.76
  5. Step 5: Solve for x
    x = 15,162,974,198.76/141,381.20
  6. Step 6: Final answer
    x = 107,248.87

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