Home / 109,347.24-150,910.34-66,933.80

Finding the Fourth Proportional to 109,347.24, 150,910.34 and 66,933.80

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Solution

The fourth proportional to 109,347.24, 150,910.34 and 66,933.80 is: 92,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,347.24 : 150,910.34 = 66,933.80 : x
  2. Step 2: Convert to fraction form
    109,347.24/150,910.34 = 66,933.80/x
  3. Step 3: Cross multiply
    109,347.24x = 150,910.34 × 66,933.80
  4. Step 4: Simplify right side
    109,347.24x = 10,101,002,515.49
  5. Step 5: Solve for x
    x = 10,101,002,515.49/109,347.24
  6. Step 6: Final answer
    x = 92,375.47

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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.