Home / 109,270.44-150,766.38-66,813.48

Finding the Fourth Proportional to 109,270.44, 150,766.38 and 66,813.48

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Solution

The fourth proportional to 109,270.44, 150,766.38 and 66,813.48 is: 92,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,270.44 : 150,766.38 = 66,813.48 : x
  2. Step 2: Convert to fraction form
    109,270.44/150,766.38 = 66,813.48/x
  3. Step 3: Cross multiply
    109,270.44x = 150,766.38 × 66,813.48
  4. Step 4: Simplify right side
    109,270.44x = 10,073,226,514.80
  5. Step 5: Solve for x
    x = 10,073,226,514.80/109,270.44
  6. Step 6: Final answer
    x = 92,186.20

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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.