Home / 654,111.72-981,157.86-180,786.60

Finding the Fourth Proportional to 654,111.72, 981,157.86 and 180,786.60

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Solution

The fourth proportional to 654,111.72, 981,157.86 and 180,786.60 is: 271,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,111.72 : 981,157.86 = 180,786.60 : x
  2. Step 2: Convert to fraction form
    654,111.72/981,157.86 = 180,786.60/x
  3. Step 3: Cross multiply
    654,111.72x = 981,157.86 × 180,786.60
  4. Step 4: Simplify right side
    654,111.72x = 177,380,193,572.68
  5. Step 5: Solve for x
    x = 177,380,193,572.68/654,111.72
  6. Step 6: Final answer
    x = 271,177.21

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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.