Home / 198,514.86-273,950.70-107,871.84

Finding the Fourth Proportional to 198,514.86, 273,950.70 and 107,871.84

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Solution

The fourth proportional to 198,514.86, 273,950.70 and 107,871.84 is: 148,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,514.86 : 273,950.70 = 107,871.84 : x
  2. Step 2: Convert to fraction form
    198,514.86/273,950.70 = 107,871.84/x
  3. Step 3: Cross multiply
    198,514.86x = 273,950.70 × 107,871.84
  4. Step 4: Simplify right side
    198,514.86x = 29,551,566,078.29
  5. Step 5: Solve for x
    x = 29,551,566,078.29/198,514.86
  6. Step 6: Final answer
    x = 148,863.24

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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.