Home / 199,157.29-298,617.39-79,149.31

Finding the Fourth Proportional to 199,157.29, 298,617.39 and 79,149.31

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Solution

The fourth proportional to 199,157.29, 298,617.39 and 79,149.31 is: 118,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,157.29 : 298,617.39 = 79,149.31 : x
  2. Step 2: Convert to fraction form
    199,157.29/298,617.39 = 79,149.31/x
  3. Step 3: Cross multiply
    199,157.29x = 298,617.39 × 79,149.31
  4. Step 4: Simplify right side
    199,157.29x = 23,635,360,372.50
  5. Step 5: Solve for x
    x = 23,635,360,372.50/199,157.29
  6. Step 6: Final answer
    x = 118,676.85

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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.