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Finding the Fourth Proportional to 99,806.94, 137,727.72 and 54,475.92

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Solution

The fourth proportional to 99,806.94, 137,727.72 and 54,475.92 is: 75,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,806.94 : 137,727.72 = 54,475.92 : x
  2. Step 2: Convert to fraction form
    99,806.94/137,727.72 = 54,475.92/x
  3. Step 3: Cross multiply
    99,806.94x = 137,727.72 × 54,475.92
  4. Step 4: Simplify right side
    99,806.94x = 7,502,844,256.50
  5. Step 5: Solve for x
    x = 7,502,844,256.50/99,806.94
  6. Step 6: Final answer
    x = 75,173.57

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