Home / 198,185.27-297,323.31-85,884.33

Finding the Fourth Proportional to 198,185.27, 297,323.31 and 85,884.33

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Solution

The fourth proportional to 198,185.27, 297,323.31 and 85,884.33 is: 128,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,185.27 : 297,323.31 = 85,884.33 : x
  2. Step 2: Convert to fraction form
    198,185.27/297,323.31 = 85,884.33/x
  3. Step 3: Cross multiply
    198,185.27x = 297,323.31 × 85,884.33
  4. Step 4: Simplify right side
    198,185.27x = 25,535,414,226.66
  5. Step 5: Solve for x
    x = 25,535,414,226.66/198,185.27
  6. Step 6: Final answer
    x = 128,846.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.