Home / 199,025.48-274,648.64-108,380.74

Finding the Fourth Proportional to 199,025.48, 274,648.64 and 108,380.74

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Solution

The fourth proportional to 199,025.48, 274,648.64 and 108,380.74 is: 149,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,025.48 : 274,648.64 = 108,380.74 : x
  2. Step 2: Convert to fraction form
    199,025.48/274,648.64 = 108,380.74/x
  3. Step 3: Cross multiply
    199,025.48x = 274,648.64 × 108,380.74
  4. Step 4: Simplify right side
    199,025.48x = 29,766,621,614.67
  5. Step 5: Solve for x
    x = 29,766,621,614.67/199,025.48
  6. Step 6: Final answer
    x = 149,561.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.