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Finding the Fourth Proportional to 222,718.80, 334,118.70 and 72,917.40

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Solution

The fourth proportional to 222,718.80, 334,118.70 and 72,917.40 is: 109,389.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718.80 : 334,118.70 = 72,917.40 : x
  2. Step 2: Convert to fraction form
    222,718.80/334,118.70 = 72,917.40/x
  3. Step 3: Cross multiply
    222,718.80x = 334,118.70 × 72,917.40
  4. Step 4: Simplify right side
    222,718.80x = 24,363,066,895.38
  5. Step 5: Solve for x
    x = 24,363,066,895.38/222,718.80
  6. Step 6: Final answer
    x = 109,389.36

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