Home / 109,229.92-150,707.79-63,919.13

Finding the Fourth Proportional to 109,229.92, 150,707.79 and 63,919.13

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Solution

The fourth proportional to 109,229.92, 150,707.79 and 63,919.13 is: 88,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,229.92 : 150,707.79 = 63,919.13 : x
  2. Step 2: Convert to fraction form
    109,229.92/150,707.79 = 63,919.13/x
  3. Step 3: Cross multiply
    109,229.92x = 150,707.79 × 63,919.13
  4. Step 4: Simplify right side
    109,229.92x = 9,633,110,067.48
  5. Step 5: Solve for x
    x = 9,633,110,067.48/109,229.92
  6. Step 6: Final answer
    x = 88,191.13

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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.