Home / 118,786.28-178,177.92-28,829.73

Finding the Fourth Proportional to 118,786.28, 178,177.92 and 28,829.73

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Solution

The fourth proportional to 118,786.28, 178,177.92 and 28,829.73 is: 43,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786.28 : 178,177.92 = 28,829.73 : x
  2. Step 2: Convert to fraction form
    118,786.28/178,177.92 = 28,829.73/x
  3. Step 3: Cross multiply
    118,786.28x = 178,177.92 × 28,829.73
  4. Step 4: Simplify right side
    118,786.28x = 5,136,821,325.56
  5. Step 5: Solve for x
    x = 5,136,821,325.56/118,786.28
  6. Step 6: Final answer
    x = 43,244.23

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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.