Home / 171,629.82-236,586.60-120,499.08

Finding the Fourth Proportional to 171,629.82, 236,586.60 and 120,499.08

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Solution

The fourth proportional to 171,629.82, 236,586.60 and 120,499.08 is: 166,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,629.82 : 236,586.60 = 120,499.08 : x
  2. Step 2: Convert to fraction form
    171,629.82/236,586.60 = 120,499.08/x
  3. Step 3: Cross multiply
    171,629.82x = 236,586.60 × 120,499.08
  4. Step 4: Simplify right side
    171,629.82x = 28,508,467,640.33
  5. Step 5: Solve for x
    x = 28,508,467,640.33/171,629.82
  6. Step 6: Final answer
    x = 166,104.40

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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.