Home / 121,508.20-182,262.30-91,983.70

Finding the Fourth Proportional to 121,508.20, 182,262.30 and 91,983.70

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Solution

The fourth proportional to 121,508.20, 182,262.30 and 91,983.70 is: 137,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,508.20 : 182,262.30 = 91,983.70 : x
  2. Step 2: Convert to fraction form
    121,508.20/182,262.30 = 91,983.70/x
  3. Step 3: Cross multiply
    121,508.20x = 182,262.30 × 91,983.70
  4. Step 4: Simplify right side
    121,508.20x = 16,765,160,724.51
  5. Step 5: Solve for x
    x = 16,765,160,724.51/121,508.20
  6. Step 6: Final answer
    x = 137,975.55

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