Home / 198,160.78-273,460.30-112,119.03

Finding the Fourth Proportional to 198,160.78, 273,460.30 and 112,119.03

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Solution

The fourth proportional to 198,160.78, 273,460.30 and 112,119.03 is: 154,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,160.78 : 273,460.30 = 112,119.03 : x
  2. Step 2: Convert to fraction form
    198,160.78/273,460.30 = 112,119.03/x
  3. Step 3: Cross multiply
    198,160.78x = 273,460.30 × 112,119.03
  4. Step 4: Simplify right side
    198,160.78x = 30,660,104,425.48
  5. Step 5: Solve for x
    x = 30,660,104,425.48/198,160.78
  6. Step 6: Final answer
    x = 154,723.37

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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.