Home / 118,789.78-178,166.11-38,827.14

Finding the Fourth Proportional to 118,789.78, 178,166.11 and 38,827.14

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Solution

The fourth proportional to 118,789.78, 178,166.11 and 38,827.14 is: 58,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,789.78 : 178,166.11 = 38,827.14 : x
  2. Step 2: Convert to fraction form
    118,789.78/178,166.11 = 38,827.14/x
  3. Step 3: Cross multiply
    118,789.78x = 178,166.11 × 38,827.14
  4. Step 4: Simplify right side
    118,789.78x = 6,917,680,496.23
  5. Step 5: Solve for x
    x = 6,917,680,496.23/118,789.78
  6. Step 6: Final answer
    x = 58,234.64

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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.