Home / 197,945.22-273,163.77-107,301.54

Finding the Fourth Proportional to 197,945.22, 273,163.77 and 107,301.54

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Solution

The fourth proportional to 197,945.22, 273,163.77 and 107,301.54 is: 148,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,945.22 : 273,163.77 = 107,301.54 : x
  2. Step 2: Convert to fraction form
    197,945.22/273,163.77 = 107,301.54/x
  3. Step 3: Cross multiply
    197,945.22x = 273,163.77 × 107,301.54
  4. Step 4: Simplify right side
    197,945.22x = 29,310,893,193.21
  5. Step 5: Solve for x
    x = 29,310,893,193.21/197,945.22
  6. Step 6: Final answer
    x = 148,075.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.