Home / 115,819.40-174,100.30-107,601.80

Finding the Fourth Proportional to 115,819.40, 174,100.30 and 107,601.80

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Solution

The fourth proportional to 115,819.40, 174,100.30 and 107,601.80 is: 161,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,819.40 : 174,100.30 = 107,601.80 : x
  2. Step 2: Convert to fraction form
    115,819.40/174,100.30 = 107,601.80/x
  3. Step 3: Cross multiply
    115,819.40x = 174,100.30 × 107,601.80
  4. Step 4: Simplify right side
    115,819.40x = 18,733,505,660.54
  5. Step 5: Solve for x
    x = 18,733,505,660.54/115,819.40
  6. Step 6: Final answer
    x = 161,747.56

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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.