Home / 206,120.73-284,382.05-115,464.45

Finding the Fourth Proportional to 206,120.73, 284,382.05 and 115,464.45

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Solution

The fourth proportional to 206,120.73, 284,382.05 and 115,464.45 is: 159,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,120.73 : 284,382.05 = 115,464.45 : x
  2. Step 2: Convert to fraction form
    206,120.73/284,382.05 = 115,464.45/x
  3. Step 3: Cross multiply
    206,120.73x = 284,382.05 × 115,464.45
  4. Step 4: Simplify right side
    206,120.73x = 32,836,016,415.80
  5. Step 5: Solve for x
    x = 32,836,016,415.80/206,120.73
  6. Step 6: Final answer
    x = 159,304.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.