Home / 159,872.06-220,625.24-88,252.13

Finding the Fourth Proportional to 159,872.06, 220,625.24 and 88,252.13

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Solution

The fourth proportional to 159,872.06, 220,625.24 and 88,252.13 is: 121,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,872.06 : 220,625.24 = 88,252.13 : x
  2. Step 2: Convert to fraction form
    159,872.06/220,625.24 = 88,252.13/x
  3. Step 3: Cross multiply
    159,872.06x = 220,625.24 × 88,252.13
  4. Step 4: Simplify right side
    159,872.06x = 19,470,647,472.06
  5. Step 5: Solve for x
    x = 19,470,647,472.06/159,872.06
  6. Step 6: Final answer
    x = 121,788.93

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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.