Home / 199,305.45-298,625.40-140,035.05

Finding the Fourth Proportional to 199,305.45, 298,625.40 and 140,035.05

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Solution

The fourth proportional to 199,305.45, 298,625.40 and 140,035.05 is: 209,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,305.45 : 298,625.40 = 140,035.05 : x
  2. Step 2: Convert to fraction form
    199,305.45/298,625.40 = 140,035.05/x
  3. Step 3: Cross multiply
    199,305.45x = 298,625.40 × 140,035.05
  4. Step 4: Simplify right side
    199,305.45x = 41,818,022,820.27
  5. Step 5: Solve for x
    x = 41,818,022,820.27/199,305.45
  6. Step 6: Final answer
    x = 209,818.76

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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.