Home / 197,829.56-273,016.68-121,357.28

Finding the Fourth Proportional to 197,829.56, 273,016.68 and 121,357.28

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Solution

The fourth proportional to 197,829.56, 273,016.68 and 121,357.28 is: 167,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,829.56 : 273,016.68 = 121,357.28 : x
  2. Step 2: Convert to fraction form
    197,829.56/273,016.68 = 121,357.28/x
  3. Step 3: Cross multiply
    197,829.56x = 273,016.68 × 121,357.28
  4. Step 4: Simplify right side
    197,829.56x = 33,132,561,679.43
  5. Step 5: Solve for x
    x = 33,132,561,679.43/197,829.56
  6. Step 6: Final answer
    x = 167,480.34

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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.