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Finding the Fourth Proportional to 248,895.70, 373,343.55 and 80,415.70

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Solution

The fourth proportional to 248,895.70, 373,343.55 and 80,415.70 is: 120,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,895.70 : 373,343.55 = 80,415.70 : x
  2. Step 2: Convert to fraction form
    248,895.70/373,343.55 = 80,415.70/x
  3. Step 3: Cross multiply
    248,895.70x = 373,343.55 × 80,415.70
  4. Step 4: Simplify right side
    248,895.70x = 30,022,682,913.74
  5. Step 5: Solve for x
    x = 30,022,682,913.74/248,895.70
  6. Step 6: Final answer
    x = 120,623.55

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