Home / 159,997.20-220,794.75-88,382.22

Finding the Fourth Proportional to 159,997.20, 220,794.75 and 88,382.22

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Solution

The fourth proportional to 159,997.20, 220,794.75 and 88,382.22 is: 121,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,997.20 : 220,794.75 = 88,382.22 : x
  2. Step 2: Convert to fraction form
    159,997.20/220,794.75 = 88,382.22/x
  3. Step 3: Cross multiply
    159,997.20x = 220,794.75 × 88,382.22
  4. Step 4: Simplify right side
    159,997.20x = 19,514,330,169.35
  5. Step 5: Solve for x
    x = 19,514,330,169.35/159,997.20
  6. Step 6: Final answer
    x = 121,966.70

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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.