Home / 198,478.45-273,943.57-122,063.29

Finding the Fourth Proportional to 198,478.45, 273,943.57 and 122,063.29

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Solution

The fourth proportional to 198,478.45, 273,943.57 and 122,063.29 is: 168,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,478.45 : 273,943.57 = 122,063.29 : x
  2. Step 2: Convert to fraction form
    198,478.45/273,943.57 = 122,063.29/x
  3. Step 3: Cross multiply
    198,478.45x = 273,943.57 × 122,063.29
  4. Step 4: Simplify right side
    198,478.45x = 33,438,452,667.40
  5. Step 5: Solve for x
    x = 33,438,452,667.40/198,478.45
  6. Step 6: Final answer
    x = 168,473.97

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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.