Home / 118,789.70-178,146.82-38,809.44

Finding the Fourth Proportional to 118,789.70, 178,146.82 and 38,809.44

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Solution

The fourth proportional to 118,789.70, 178,146.82 and 38,809.44 is: 58,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,789.70 : 178,146.82 = 38,809.44 : x
  2. Step 2: Convert to fraction form
    118,789.70/178,146.82 = 38,809.44/x
  3. Step 3: Cross multiply
    118,789.70x = 178,146.82 × 38,809.44
  4. Step 4: Simplify right side
    118,789.70x = 6,913,778,321.98
  5. Step 5: Solve for x
    x = 6,913,778,321.98/118,789.70
  6. Step 6: Final answer
    x = 58,201.83

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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.