Home / 159,552.45-220,183.72-87,932.66

Finding the Fourth Proportional to 159,552.45, 220,183.72 and 87,932.66

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Solution

The fourth proportional to 159,552.45, 220,183.72 and 87,932.66 is: 121,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,552.45 : 220,183.72 = 87,932.66 : x
  2. Step 2: Convert to fraction form
    159,552.45/220,183.72 = 87,932.66/x
  3. Step 3: Cross multiply
    159,552.45x = 220,183.72 × 87,932.66
  4. Step 4: Simplify right side
    159,552.45x = 19,361,338,867.55
  5. Step 5: Solve for x
    x = 19,361,338,867.55/159,552.45
  6. Step 6: Final answer
    x = 121,347.80

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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.