Home / 109,265.88-150,793.86-66,249.49

Finding the Fourth Proportional to 109,265.88, 150,793.86 and 66,249.49

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Solution

The fourth proportional to 109,265.88, 150,793.86 and 66,249.49 is: 91,428.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,265.88 : 150,793.86 = 66,249.49 : x
  2. Step 2: Convert to fraction form
    109,265.88/150,793.86 = 66,249.49/x
  3. Step 3: Cross multiply
    109,265.88x = 150,793.86 × 66,249.49
  4. Step 4: Simplify right side
    109,265.88x = 9,990,016,042.22
  5. Step 5: Solve for x
    x = 9,990,016,042.22/109,265.88
  6. Step 6: Final answer
    x = 91,428.50

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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.