Home / 198,795.16-298,195.16-110,221.64

Finding the Fourth Proportional to 198,795.16, 298,195.16 and 110,221.64

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Solution

The fourth proportional to 198,795.16, 298,195.16 and 110,221.64 is: 165,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,795.16 : 298,195.16 = 110,221.64 : x
  2. Step 2: Convert to fraction form
    198,795.16/298,195.16 = 110,221.64/x
  3. Step 3: Cross multiply
    198,795.16x = 298,195.16 × 110,221.64
  4. Step 4: Simplify right side
    198,795.16x = 32,867,559,575.26
  5. Step 5: Solve for x
    x = 32,867,559,575.26/198,795.16
  6. Step 6: Final answer
    x = 165,333.80

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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.