Home / 90,940.21-136,418.31-27,774.59

Finding the Fourth Proportional to 90,940.21, 136,418.31 and 27,774.59

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Solution

The fourth proportional to 90,940.21, 136,418.31 and 27,774.59 is: 41,664.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940.21 : 136,418.31 = 27,774.59 : x
  2. Step 2: Convert to fraction form
    90,940.21/136,418.31 = 27,774.59/x
  3. Step 3: Cross multiply
    90,940.21x = 136,418.31 × 27,774.59
  4. Step 4: Simplify right side
    90,940.21x = 3,788,961,946.65
  5. Step 5: Solve for x
    x = 3,788,961,946.65/90,940.21
  6. Step 6: Final answer
    x = 41,664.32

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