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Finding the Fourth Proportional to 173,891.70, 260,837.55 and 80,579.70

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Solution

The fourth proportional to 173,891.70, 260,837.55 and 80,579.70 is: 120,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,891.70 : 260,837.55 = 80,579.70 : x
  2. Step 2: Convert to fraction form
    173,891.70/260,837.55 = 80,579.70/x
  3. Step 3: Cross multiply
    173,891.70x = 260,837.55 × 80,579.70
  4. Step 4: Simplify right side
    173,891.70x = 21,018,211,527.74
  5. Step 5: Solve for x
    x = 21,018,211,527.74/173,891.70
  6. Step 6: Final answer
    x = 120,869.55

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