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Finding the Fourth Proportional to 99,317.13, 137,057.63 and 54,605.13

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Solution

The fourth proportional to 99,317.13, 137,057.63 and 54,605.13 is: 75,355.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,317.13 : 137,057.63 = 54,605.13 : x
  2. Step 2: Convert to fraction form
    99,317.13/137,057.63 = 54,605.13/x
  3. Step 3: Cross multiply
    99,317.13x = 137,057.63 × 54,605.13
  4. Step 4: Simplify right side
    99,317.13x = 7,484,049,703.64
  5. Step 5: Solve for x
    x = 7,484,049,703.64/99,317.13
  6. Step 6: Final answer
    x = 75,355.07

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