Home / 198,414.37-273,814.80-107,772.10

Finding the Fourth Proportional to 198,414.37, 273,814.80 and 107,772.10

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Solution

The fourth proportional to 198,414.37, 273,814.80 and 107,772.10 is: 148,727.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,414.37 : 273,814.80 = 107,772.10 : x
  2. Step 2: Convert to fraction form
    198,414.37/273,814.80 = 107,772.10/x
  3. Step 3: Cross multiply
    198,414.37x = 273,814.80 × 107,772.10
  4. Step 4: Simplify right side
    198,414.37x = 29,509,596,007.08
  5. Step 5: Solve for x
    x = 29,509,596,007.08/198,414.37
  6. Step 6: Final answer
    x = 148,727.11

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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.