Home / 198,135.47-273,426.77-107,491.46

Finding the Fourth Proportional to 198,135.47, 273,426.77 and 107,491.46

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Solution

The fourth proportional to 198,135.47, 273,426.77 and 107,491.46 is: 148,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,135.47 : 273,426.77 = 107,491.46 : x
  2. Step 2: Convert to fraction form
    198,135.47/273,426.77 = 107,491.46/x
  3. Step 3: Cross multiply
    198,135.47x = 273,426.77 × 107,491.46
  4. Step 4: Simplify right side
    198,135.47x = 29,391,040,805.79
  5. Step 5: Solve for x
    x = 29,391,040,805.79/198,135.47
  6. Step 6: Final answer
    x = 148,338.11

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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.