Home / 198,379.72-273,763.95-107,735.71

Finding the Fourth Proportional to 198,379.72, 273,763.95 and 107,735.71

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Solution

The fourth proportional to 198,379.72, 273,763.95 and 107,735.71 is: 148,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,379.72 : 273,763.95 = 107,735.71 : x
  2. Step 2: Convert to fraction form
    198,379.72/273,763.95 = 107,735.71/x
  3. Step 3: Cross multiply
    198,379.72x = 273,763.95 × 107,735.71
  4. Step 4: Simplify right side
    198,379.72x = 29,494,152,950.54
  5. Step 5: Solve for x
    x = 29,494,152,950.54/198,379.72
  6. Step 6: Final answer
    x = 148,675.24

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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.