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Finding the Fourth Proportional to 99,676.61, 137,557.04 and 54,357.07

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Solution

The fourth proportional to 99,676.61, 137,557.04 and 54,357.07 is: 75,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,676.61 : 137,557.04 = 54,357.07 : x
  2. Step 2: Convert to fraction form
    99,676.61/137,557.04 = 54,357.07/x
  3. Step 3: Cross multiply
    99,676.61x = 137,557.04 × 54,357.07
  4. Step 4: Simplify right side
    99,676.61x = 7,477,197,048.55
  5. Step 5: Solve for x
    x = 7,477,197,048.55/99,676.61
  6. Step 6: Final answer
    x = 75,014.56

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