Home / 131,921.91-197,764.56-47,662.29

Finding the Fourth Proportional to 131,921.91, 197,764.56 and 47,662.29

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Solution

The fourth proportional to 131,921.91, 197,764.56 and 47,662.29 is: 71,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.91 : 197,764.56 = 47,662.29 : x
  2. Step 2: Convert to fraction form
    131,921.91/197,764.56 = 47,662.29/x
  3. Step 3: Cross multiply
    131,921.91x = 197,764.56 × 47,662.29
  4. Step 4: Simplify right side
    131,921.91x = 9,425,911,810.44
  5. Step 5: Solve for x
    x = 9,425,911,810.44/131,921.91
  6. Step 6: Final answer
    x = 71,450.69

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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.