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Finding the Fourth Proportional to 266,153.12, 398,897.44 and 133,071.43

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Solution

The fourth proportional to 266,153.12, 398,897.44 and 133,071.43 is: 199,441.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,153.12 : 398,897.44 = 133,071.43 : x
  2. Step 2: Convert to fraction form
    266,153.12/398,897.44 = 133,071.43/x
  3. Step 3: Cross multiply
    266,153.12x = 398,897.44 × 133,071.43
  4. Step 4: Simplify right side
    266,153.12x = 53,081,853,350.83
  5. Step 5: Solve for x
    x = 53,081,853,350.83/266,153.12
  6. Step 6: Final answer
    x = 199,441.04

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