Home / 199,156.35-298,859.07-80,827.69

Finding the Fourth Proportional to 199,156.35, 298,859.07 and 80,827.69

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Solution

The fourth proportional to 199,156.35, 298,859.07 and 80,827.69 is: 121,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,156.35 : 298,859.07 = 80,827.69 : x
  2. Step 2: Convert to fraction form
    199,156.35/298,859.07 = 80,827.69/x
  3. Step 3: Cross multiply
    199,156.35x = 298,859.07 × 80,827.69
  4. Step 4: Simplify right side
    199,156.35x = 24,156,087,175.99
  5. Step 5: Solve for x
    x = 24,156,087,175.99/199,156.35
  6. Step 6: Final answer
    x = 121,292.08

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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.