Home / 198,941.70-298,415.67-110,755.71

Finding the Fourth Proportional to 198,941.70, 298,415.67 and 110,755.71

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Solution

The fourth proportional to 198,941.70, 298,415.67 and 110,755.71 is: 166,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,941.70 : 298,415.67 = 110,755.71 : x
  2. Step 2: Convert to fraction form
    198,941.70/298,415.67 = 110,755.71/x
  3. Step 3: Cross multiply
    198,941.70x = 298,415.67 × 110,755.71
  4. Step 4: Simplify right side
    198,941.70x = 33,051,239,405.98
  5. Step 5: Solve for x
    x = 33,051,239,405.98/198,941.70
  6. Step 6: Final answer
    x = 166,135.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.