Home / 118,982.88-178,469.19-40,096.80

Finding the Fourth Proportional to 118,982.88, 178,469.19 and 40,096.80

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Solution

The fourth proportional to 118,982.88, 178,469.19 and 40,096.80 is: 60,143.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,982.88 : 178,469.19 = 40,096.80 : x
  2. Step 2: Convert to fraction form
    118,982.88/178,469.19 = 40,096.80/x
  3. Step 3: Cross multiply
    118,982.88x = 178,469.19 × 40,096.80
  4. Step 4: Simplify right side
    118,982.88x = 7,156,043,417.59
  5. Step 5: Solve for x
    x = 7,156,043,417.59/118,982.88
  6. Step 6: Final answer
    x = 60,143.47

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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.