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Finding the Fourth Proportional to 92,216.30, 138,324.45 and 83,905.70

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Solution

The fourth proportional to 92,216.30, 138,324.45 and 83,905.70 is: 125,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,216.30 : 138,324.45 = 83,905.70 : x
  2. Step 2: Convert to fraction form
    92,216.30/138,324.45 = 83,905.70/x
  3. Step 3: Cross multiply
    92,216.30x = 138,324.45 × 83,905.70
  4. Step 4: Simplify right side
    92,216.30x = 11,606,209,804.37
  5. Step 5: Solve for x
    x = 11,606,209,804.37/92,216.30
  6. Step 6: Final answer
    x = 125,858.55

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