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Finding the Fourth Proportional to 99,291.17, 137,022.74 and 53,969.25

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Solution

The fourth proportional to 99,291.17, 137,022.74 and 53,969.25 is: 74,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,291.17 : 137,022.74 = 53,969.25 : x
  2. Step 2: Convert to fraction form
    99,291.17/137,022.74 = 53,969.25/x
  3. Step 3: Cross multiply
    99,291.17x = 137,022.74 × 53,969.25
  4. Step 4: Simplify right side
    99,291.17x = 7,395,014,510.75
  5. Step 5: Solve for x
    x = 7,395,014,510.75/99,291.17
  6. Step 6: Final answer
    x = 74,478.07

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