Home / 159,540.10-220,166.84-87,922.73

Finding the Fourth Proportional to 159,540.10, 220,166.84 and 87,922.73

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Solution

The fourth proportional to 159,540.10, 220,166.84 and 87,922.73 is: 121,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540.10 : 220,166.84 = 87,922.73 : x
  2. Step 2: Convert to fraction form
    159,540.10/220,166.84 = 87,922.73/x
  3. Step 3: Cross multiply
    159,540.10x = 220,166.84 × 87,922.73
  4. Step 4: Simplify right side
    159,540.10x = 19,357,670,398.50
  5. Step 5: Solve for x
    x = 19,357,670,398.50/159,540.10
  6. Step 6: Final answer
    x = 121,334.20

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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.