Home / 204,221.80-306,563.10-121,162.60

Finding the Fourth Proportional to 204,221.80, 306,563.10 and 121,162.60

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Solution

The fourth proportional to 204,221.80, 306,563.10 and 121,162.60 is: 181,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,221.80 : 306,563.10 = 121,162.60 : x
  2. Step 2: Convert to fraction form
    204,221.80/306,563.10 = 121,162.60/x
  3. Step 3: Cross multiply
    204,221.80x = 306,563.10 × 121,162.60
  4. Step 4: Simplify right side
    204,221.80x = 37,143,982,260.06
  5. Step 5: Solve for x
    x = 37,143,982,260.06/204,221.80
  6. Step 6: Final answer
    x = 181,880.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.