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Finding the Fourth Proportional to 99,473.64, 137,273.23 and 54,151.45

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Solution

The fourth proportional to 99,473.64, 137,273.23 and 54,151.45 is: 74,728.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,473.64 : 137,273.23 = 54,151.45 : x
  2. Step 2: Convert to fraction form
    99,473.64/137,273.23 = 54,151.45/x
  3. Step 3: Cross multiply
    99,473.64x = 137,273.23 × 54,151.45
  4. Step 4: Simplify right side
    99,473.64x = 7,433,544,947.35
  5. Step 5: Solve for x
    x = 7,433,544,947.35/99,473.64
  6. Step 6: Final answer
    x = 74,728.79

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