Home / 131,976.64-197,964.86-47,717.05

Finding the Fourth Proportional to 131,976.64, 197,964.86 and 47,717.05

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Solution

The fourth proportional to 131,976.64, 197,964.86 and 47,717.05 is: 71,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,976.64 : 197,964.86 = 47,717.05 : x
  2. Step 2: Convert to fraction form
    131,976.64/197,964.86 = 47,717.05/x
  3. Step 3: Cross multiply
    131,976.64x = 197,964.86 × 47,717.05
  4. Step 4: Simplify right side
    131,976.64x = 9,446,299,028.96
  5. Step 5: Solve for x
    x = 9,446,299,028.96/131,976.64
  6. Step 6: Final answer
    x = 71,575.54

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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.