Home / 197,837.12-273,014.85-107,195.54

Finding the Fourth Proportional to 197,837.12, 273,014.85 and 107,195.54

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Solution

The fourth proportional to 197,837.12, 273,014.85 and 107,195.54 is: 147,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,837.12 : 273,014.85 = 107,195.54 : x
  2. Step 2: Convert to fraction form
    197,837.12/273,014.85 = 107,195.54/x
  3. Step 3: Cross multiply
    197,837.12x = 273,014.85 × 107,195.54
  4. Step 4: Simplify right side
    197,837.12x = 29,265,974,273.77
  5. Step 5: Solve for x
    x = 29,265,974,273.77/197,837.12
  6. Step 6: Final answer
    x = 147,929.64

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1.5x scale

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.