Home / 198,935.80-298,406.86-110,749.80

Finding the Fourth Proportional to 198,935.80, 298,406.86 and 110,749.80

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Solution

The fourth proportional to 198,935.80, 298,406.86 and 110,749.80 is: 166,126.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,935.80 : 298,406.86 = 110,749.80 : x
  2. Step 2: Convert to fraction form
    198,935.80/298,406.86 = 110,749.80/x
  3. Step 3: Cross multiply
    198,935.80x = 298,406.86 × 110,749.80
  4. Step 4: Simplify right side
    198,935.80x = 33,048,500,063.63
  5. Step 5: Solve for x
    x = 33,048,500,063.63/198,935.80
  6. Step 6: Final answer
    x = 166,126.46

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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.