Home / 159,650.55-220,201.97-108,572.49

Finding the Fourth Proportional to 159,650.55, 220,201.97 and 108,572.49

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Solution

The fourth proportional to 159,650.55, 220,201.97 and 108,572.49 is: 149,751.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,650.55 : 220,201.97 = 108,572.49 : x
  2. Step 2: Convert to fraction form
    159,650.55/220,201.97 = 108,572.49/x
  3. Step 3: Cross multiply
    159,650.55x = 220,201.97 × 108,572.49
  4. Step 4: Simplify right side
    159,650.55x = 23,907,875,642.94
  5. Step 5: Solve for x
    x = 23,907,875,642.94/159,650.55
  6. Step 6: Final answer
    x = 149,751.29

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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.