Home / 198,185.13-273,722.63-130,504.68

Finding the Fourth Proportional to 198,185.13, 273,722.63 and 130,504.68

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Solution

The fourth proportional to 198,185.13, 273,722.63 and 130,504.68 is: 180,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,185.13 : 273,722.63 = 130,504.68 : x
  2. Step 2: Convert to fraction form
    198,185.13/273,722.63 = 130,504.68/x
  3. Step 3: Cross multiply
    198,185.13x = 273,722.63 × 130,504.68
  4. Step 4: Simplify right side
    198,185.13x = 35,722,083,584.39
  5. Step 5: Solve for x
    x = 35,722,083,584.39/198,185.13
  6. Step 6: Final answer
    x = 180,246.03

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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.