Home / 198,768.51-298,034.21-134,805.44

Finding the Fourth Proportional to 198,768.51, 298,034.21 and 134,805.44

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Solution

The fourth proportional to 198,768.51, 298,034.21 and 134,805.44 is: 202,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,768.51 : 298,034.21 = 134,805.44 : x
  2. Step 2: Convert to fraction form
    198,768.51/298,034.21 = 134,805.44/x
  3. Step 3: Cross multiply
    198,768.51x = 298,034.21 × 134,805.44
  4. Step 4: Simplify right side
    198,768.51x = 40,176,633,896.20
  5. Step 5: Solve for x
    x = 40,176,633,896.20/198,768.51
  6. Step 6: Final answer
    x = 202,127.76

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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.