Home / 188,825.76-283,236-76,505.04

Finding the Fourth Proportional to 188,825.76, 283,236 and 76,505.04

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Solution

The fourth proportional to 188,825.76, 283,236 and 76,505.04 is: 114,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,825.76 : 283,236 = 76,505.04 : x
  2. Step 2: Convert to fraction form
    188,825.76/283,236 = 76,505.04/x
  3. Step 3: Cross multiply
    188,825.76x = 283,236 × 76,505.04
  4. Step 4: Simplify right side
    188,825.76x = 21,668,981,509.44
  5. Step 5: Solve for x
    x = 21,668,981,509.44/188,825.76
  6. Step 6: Final answer
    x = 114,756.49

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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.