Home / 199,355.80-275,117.66-108,716.73

Finding the Fourth Proportional to 199,355.80, 275,117.66 and 108,716.73

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Solution

The fourth proportional to 199,355.80, 275,117.66 and 108,716.73 is: 150,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,355.80 : 275,117.66 = 108,716.73 : x
  2. Step 2: Convert to fraction form
    199,355.80/275,117.66 = 108,716.73/x
  3. Step 3: Cross multiply
    199,355.80x = 275,117.66 × 108,716.73
  4. Step 4: Simplify right side
    199,355.80x = 29,909,892,360.45
  5. Step 5: Solve for x
    x = 29,909,892,360.45/199,355.80
  6. Step 6: Final answer
    x = 150,032.72

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1.5x scale

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.