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Finding the Fourth Proportional to 115,996.44, 173,978.10 and 37,100.28

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Solution

The fourth proportional to 115,996.44, 173,978.10 and 37,100.28 is: 55,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,996.44 : 173,978.10 = 37,100.28 : x
  2. Step 2: Convert to fraction form
    115,996.44/173,978.10 = 37,100.28/x
  3. Step 3: Cross multiply
    115,996.44x = 173,978.10 × 37,100.28
  4. Step 4: Simplify right side
    115,996.44x = 6,454,636,223.87
  5. Step 5: Solve for x
    x = 6,454,636,223.87/115,996.44
  6. Step 6: Final answer
    x = 55,645.12

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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.