Home / 115,063.54-172,591.21-40,183.39

Finding the Fourth Proportional to 115,063.54, 172,591.21 and 40,183.39

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Solution

The fourth proportional to 115,063.54, 172,591.21 and 40,183.39 is: 60,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,063.54 : 172,591.21 = 40,183.39 : x
  2. Step 2: Convert to fraction form
    115,063.54/172,591.21 = 40,183.39/x
  3. Step 3: Cross multiply
    115,063.54x = 172,591.21 × 40,183.39
  4. Step 4: Simplify right side
    115,063.54x = 6,935,299,902.00
  5. Step 5: Solve for x
    x = 6,935,299,902.00/115,063.54
  6. Step 6: Final answer
    x = 60,273.65

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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.