Home / 197,272.20-295,908.30-72,661.80

Finding the Fourth Proportional to 197,272.20, 295,908.30 and 72,661.80

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Solution

The fourth proportional to 197,272.20, 295,908.30 and 72,661.80 is: 108,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,272.20 : 295,908.30 = 72,661.80 : x
  2. Step 2: Convert to fraction form
    197,272.20/295,908.30 = 72,661.80/x
  3. Step 3: Cross multiply
    197,272.20x = 295,908.30 × 72,661.80
  4. Step 4: Simplify right side
    197,272.20x = 21,501,229,712.94
  5. Step 5: Solve for x
    x = 21,501,229,712.94/197,272.20
  6. Step 6: Final answer
    x = 108,992.70

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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.