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Finding the Fourth Proportional to 99,253.13, 136,969.31 and 54,541.13

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Solution

The fourth proportional to 99,253.13, 136,969.31 and 54,541.13 is: 75,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,253.13 : 136,969.31 = 54,541.13 : x
  2. Step 2: Convert to fraction form
    99,253.13/136,969.31 = 54,541.13/x
  3. Step 3: Cross multiply
    99,253.13x = 136,969.31 × 54,541.13
  4. Step 4: Simplify right side
    99,253.13x = 7,470,460,394.23
  5. Step 5: Solve for x
    x = 7,470,460,394.23/99,253.13
  6. Step 6: Final answer
    x = 75,266.75

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