Home / 99,977.14-137,967.26-54,655.21

Finding the Fourth Proportional to 99,977.14, 137,967.26 and 54,655.21

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Solution

The fourth proportional to 99,977.14, 137,967.26 and 54,655.21 is: 75,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,977.14 : 137,967.26 = 54,655.21 : x
  2. Step 2: Convert to fraction form
    99,977.14/137,967.26 = 54,655.21/x
  3. Step 3: Cross multiply
    99,977.14x = 137,967.26 × 54,655.21
  4. Step 4: Simplify right side
    99,977.14x = 7,540,629,568.42
  5. Step 5: Solve for x
    x = 7,540,629,568.42/99,977.14
  6. Step 6: Final answer
    x = 75,423.54

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