Home / 198,496.56-273,817.38-121,988.04

Finding the Fourth Proportional to 198,496.56, 273,817.38 and 121,988.04

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Solution

The fourth proportional to 198,496.56, 273,817.38 and 121,988.04 is: 168,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,496.56 : 273,817.38 = 121,988.04 : x
  2. Step 2: Convert to fraction form
    198,496.56/273,817.38 = 121,988.04/x
  3. Step 3: Cross multiply
    198,496.56x = 273,817.38 × 121,988.04
  4. Step 4: Simplify right side
    198,496.56x = 33,402,445,504.14
  5. Step 5: Solve for x
    x = 33,402,445,504.14/198,496.56
  6. Step 6: Final answer
    x = 168,277.20

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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.