Home / 199,416.08-298,863.84-80,948.72

Finding the Fourth Proportional to 199,416.08, 298,863.84 and 80,948.72

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Solution

The fourth proportional to 199,416.08, 298,863.84 and 80,948.72 is: 121,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,416.08 : 298,863.84 = 80,948.72 : x
  2. Step 2: Convert to fraction form
    199,416.08/298,863.84 = 80,948.72/x
  3. Step 3: Cross multiply
    199,416.08x = 298,863.84 × 80,948.72
  4. Step 4: Simplify right side
    199,416.08x = 24,192,645,302.28
  5. Step 5: Solve for x
    x = 24,192,645,302.28/199,416.08
  6. Step 6: Final answer
    x = 121,317.42

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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.