Home / 198,253.78-273,582.89-107,607.82

Finding the Fourth Proportional to 198,253.78, 273,582.89 and 107,607.82

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Solution

The fourth proportional to 198,253.78, 273,582.89 and 107,607.82 is: 148,494.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,253.78 : 273,582.89 = 107,607.82 : x
  2. Step 2: Convert to fraction form
    198,253.78/273,582.89 = 107,607.82/x
  3. Step 3: Cross multiply
    198,253.78x = 273,582.89 × 107,607.82
  4. Step 4: Simplify right side
    198,253.78x = 29,439,658,382.20
  5. Step 5: Solve for x
    x = 29,439,658,382.20/198,253.78
  6. Step 6: Final answer
    x = 148,494.81

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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.