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Finding the Fourth Proportional to 129,870.19, 194,657.77 and 54,943.57

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Solution

The fourth proportional to 129,870.19, 194,657.77 and 54,943.57 is: 82,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,870.19 : 194,657.77 = 54,943.57 : x
  2. Step 2: Convert to fraction form
    129,870.19/194,657.77 = 54,943.57/x
  3. Step 3: Cross multiply
    129,870.19x = 194,657.77 × 54,943.57
  4. Step 4: Simplify right side
    129,870.19x = 10,695,192,812.04
  5. Step 5: Solve for x
    x = 10,695,192,812.04/129,870.19
  6. Step 6: Final answer
    x = 82,352.95

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