Home / 197,001.72-295,490.43-78,587.82

Finding the Fourth Proportional to 197,001.72, 295,490.43 and 78,587.82

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Solution

The fourth proportional to 197,001.72, 295,490.43 and 78,587.82 is: 117,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,001.72 : 295,490.43 = 78,587.82 : x
  2. Step 2: Convert to fraction form
    197,001.72/295,490.43 = 78,587.82/x
  3. Step 3: Cross multiply
    197,001.72x = 295,490.43 × 78,587.82
  4. Step 4: Simplify right side
    197,001.72x = 23,221,948,724.56
  5. Step 5: Solve for x
    x = 23,221,948,724.56/197,001.72
  6. Step 6: Final answer
    x = 117,876.88

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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.