Home / 197,190.30-295,676.10-78,727.80

Finding the Fourth Proportional to 197,190.30, 295,676.10 and 78,727.80

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Solution

The fourth proportional to 197,190.30, 295,676.10 and 78,727.80 is: 118,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,190.30 : 295,676.10 = 78,727.80 : x
  2. Step 2: Convert to fraction form
    197,190.30/295,676.10 = 78,727.80/x
  3. Step 3: Cross multiply
    197,190.30x = 295,676.10 × 78,727.80
  4. Step 4: Simplify right side
    197,190.30x = 23,277,928,865.58
  5. Step 5: Solve for x
    x = 23,277,928,865.58/197,190.30
  6. Step 6: Final answer
    x = 118,048.04

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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.