Home / 89,205.20-133,694.40-36,555.20

Finding the Fourth Proportional to 89,205.20, 133,694.40 and 36,555.20

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Solution

The fourth proportional to 89,205.20, 133,694.40 and 36,555.20 is: 54,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,205.20 : 133,694.40 = 36,555.20 : x
  2. Step 2: Convert to fraction form
    89,205.20/133,694.40 = 36,555.20/x
  3. Step 3: Cross multiply
    89,205.20x = 133,694.40 × 36,555.20
  4. Step 4: Simplify right side
    89,205.20x = 4,887,225,530.88
  5. Step 5: Solve for x
    x = 4,887,225,530.88/89,205.20
  6. Step 6: Final answer
    x = 54,786.33

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