Home / 169,945.08-254,917.62-80,928.69

Finding the Fourth Proportional to 169,945.08, 254,917.62 and 80,928.69

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Solution

The fourth proportional to 169,945.08, 254,917.62 and 80,928.69 is: 121,393.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,945.08 : 254,917.62 = 80,928.69 : x
  2. Step 2: Convert to fraction form
    169,945.08/254,917.62 = 80,928.69/x
  3. Step 3: Cross multiply
    169,945.08x = 254,917.62 × 80,928.69
  4. Step 4: Simplify right side
    169,945.08x = 20,630,149,044.52
  5. Step 5: Solve for x
    x = 20,630,149,044.52/169,945.08
  6. Step 6: Final answer
    x = 121,393.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.