Home / 199,232.70-298,929.15-80,913.30

Finding the Fourth Proportional to 199,232.70, 298,929.15 and 80,913.30

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Solution

The fourth proportional to 199,232.70, 298,929.15 and 80,913.30 is: 121,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,232.70 : 298,929.15 = 80,913.30 : x
  2. Step 2: Convert to fraction form
    199,232.70/298,929.15 = 80,913.30/x
  3. Step 3: Cross multiply
    199,232.70x = 298,929.15 × 80,913.30
  4. Step 4: Simplify right side
    199,232.70x = 24,187,343,992.70
  5. Step 5: Solve for x
    x = 24,187,343,992.70/199,232.70
  6. Step 6: Final answer
    x = 121,402.48

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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.