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Finding the Fourth Proportional to 175,918.40, 263,380.80 and 136,930.40

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Solution

The fourth proportional to 175,918.40, 263,380.80 and 136,930.40 is: 205,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,918.40 : 263,380.80 = 136,930.40 : x
  2. Step 2: Convert to fraction form
    175,918.40/263,380.80 = 136,930.40/x
  3. Step 3: Cross multiply
    175,918.40x = 263,380.80 × 136,930.40
  4. Step 4: Simplify right side
    175,918.40x = 36,064,838,296.32
  5. Step 5: Solve for x
    x = 36,064,838,296.32/175,918.40
  6. Step 6: Final answer
    x = 205,008.90

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