Home / 199,431.56-298,979.55-92,761.31

Finding the Fourth Proportional to 199,431.56, 298,979.55 and 92,761.31

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Solution

The fourth proportional to 199,431.56, 298,979.55 and 92,761.31 is: 139,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,431.56 : 298,979.55 = 92,761.31 : x
  2. Step 2: Convert to fraction form
    199,431.56/298,979.55 = 92,761.31/x
  3. Step 3: Cross multiply
    199,431.56x = 298,979.55 × 92,761.31
  4. Step 4: Simplify right side
    199,431.56x = 27,733,735,468.66
  5. Step 5: Solve for x
    x = 27,733,735,468.66/199,431.56
  6. Step 6: Final answer
    x = 139,063.92

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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.