Home / 165,145.20-227,891.88-89,693.52

Finding the Fourth Proportional to 165,145.20, 227,891.88 and 89,693.52

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Solution

The fourth proportional to 165,145.20, 227,891.88 and 89,693.52 is: 123,772.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,145.20 : 227,891.88 = 89,693.52 : x
  2. Step 2: Convert to fraction form
    165,145.20/227,891.88 = 89,693.52/x
  3. Step 3: Cross multiply
    165,145.20x = 227,891.88 × 89,693.52
  4. Step 4: Simplify right side
    165,145.20x = 20,440,424,896.62
  5. Step 5: Solve for x
    x = 20,440,424,896.62/165,145.20
  6. Step 6: Final answer
    x = 123,772.44

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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.