Home / 159,906.24-220,669.20-88,284.74

Finding the Fourth Proportional to 159,906.24, 220,669.20 and 88,284.74

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Solution

The fourth proportional to 159,906.24, 220,669.20 and 88,284.74 is: 121,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,906.24 : 220,669.20 = 88,284.74 : x
  2. Step 2: Convert to fraction form
    159,906.24/220,669.20 = 88,284.74/x
  3. Step 3: Cross multiply
    159,906.24x = 220,669.20 × 88,284.74
  4. Step 4: Simplify right side
    159,906.24x = 19,481,722,948.01
  5. Step 5: Solve for x
    x = 19,481,722,948.01/159,906.24
  6. Step 6: Final answer
    x = 121,832.16

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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.