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Finding the Fourth Proportional to 290,042.26, 435,084.12 and 121,392.88

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Solution

The fourth proportional to 290,042.26, 435,084.12 and 121,392.88 is: 182,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,042.26 : 435,084.12 = 121,392.88 : x
  2. Step 2: Convert to fraction form
    290,042.26/435,084.12 = 121,392.88/x
  3. Step 3: Cross multiply
    290,042.26x = 435,084.12 × 121,392.88
  4. Step 4: Simplify right side
    290,042.26x = 52,816,114,369.07
  5. Step 5: Solve for x
    x = 52,816,114,369.07/290,042.26
  6. Step 6: Final answer
    x = 182,098.00

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