Home / 198,627.01-297,846.86-72,178.31

Finding the Fourth Proportional to 198,627.01, 297,846.86 and 72,178.31

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Solution

The fourth proportional to 198,627.01, 297,846.86 and 72,178.31 is: 108,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,627.01 : 297,846.86 = 72,178.31 : x
  2. Step 2: Convert to fraction form
    198,627.01/297,846.86 = 72,178.31/x
  3. Step 3: Cross multiply
    198,627.01x = 297,846.86 × 72,178.31
  4. Step 4: Simplify right side
    198,627.01x = 21,498,083,377.33
  5. Step 5: Solve for x
    x = 21,498,083,377.33/198,627.01
  6. Step 6: Final answer
    x = 108,233.44

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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.