Home / 99,932.31-137,908.40-54,612.21

Finding the Fourth Proportional to 99,932.31, 137,908.40 and 54,612.21

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Solution

The fourth proportional to 99,932.31, 137,908.40 and 54,612.21 is: 75,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,932.31 : 137,908.40 = 54,612.21 : x
  2. Step 2: Convert to fraction form
    99,932.31/137,908.40 = 54,612.21/x
  3. Step 3: Cross multiply
    99,932.31x = 137,908.40 × 54,612.21
  4. Step 4: Simplify right side
    99,932.31x = 7,531,482,501.56
  5. Step 5: Solve for x
    x = 7,531,482,501.56/99,932.31
  6. Step 6: Final answer
    x = 75,365.84

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