Home / 197,156.97-295,760.03-77,198.42

Finding the Fourth Proportional to 197,156.97, 295,760.03 and 77,198.42

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Solution

The fourth proportional to 197,156.97, 295,760.03 and 77,198.42 is: 115,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,156.97 : 295,760.03 = 77,198.42 : x
  2. Step 2: Convert to fraction form
    197,156.97/295,760.03 = 77,198.42/x
  3. Step 3: Cross multiply
    197,156.97x = 295,760.03 × 77,198.42
  4. Step 4: Simplify right side
    197,156.97x = 22,832,207,368.56
  5. Step 5: Solve for x
    x = 22,832,207,368.56/197,156.97
  6. Step 6: Final answer
    x = 115,807.25

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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.