Home / 159,550.12-220,180.67-87,932.76

Finding the Fourth Proportional to 159,550.12, 220,180.67 and 87,932.76

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Solution

The fourth proportional to 159,550.12, 220,180.67 and 87,932.76 is: 121,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,550.12 : 220,180.67 = 87,932.76 : x
  2. Step 2: Convert to fraction form
    159,550.12/220,180.67 = 87,932.76/x
  3. Step 3: Cross multiply
    159,550.12x = 220,180.67 × 87,932.76
  4. Step 4: Simplify right side
    159,550.12x = 19,361,094,011.75
  5. Step 5: Solve for x
    x = 19,361,094,011.75/159,550.12
  6. Step 6: Final answer
    x = 121,348.04

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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.