Home / 198,054.78-273,301.47-112,013.34

Finding the Fourth Proportional to 198,054.78, 273,301.47 and 112,013.34

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Solution

The fourth proportional to 198,054.78, 273,301.47 and 112,013.34 is: 154,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,054.78 : 273,301.47 = 112,013.34 : x
  2. Step 2: Convert to fraction form
    198,054.78/273,301.47 = 112,013.34/x
  3. Step 3: Cross multiply
    198,054.78x = 273,301.47 × 112,013.34
  4. Step 4: Simplify right side
    198,054.78x = 30,613,410,481.61
  5. Step 5: Solve for x
    x = 30,613,410,481.61/198,054.78
  6. Step 6: Final answer
    x = 154,570.42

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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.