Home / 131,976-197,997.02-38,481.75

Finding the Fourth Proportional to 131,976, 197,997.02 and 38,481.75

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Solution

The fourth proportional to 131,976, 197,997.02 and 38,481.75 is: 57,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,976 : 197,997.02 = 38,481.75 : x
  2. Step 2: Convert to fraction form
    131,976/197,997.02 = 38,481.75/x
  3. Step 3: Cross multiply
    131,976x = 197,997.02 × 38,481.75
  4. Step 4: Simplify right side
    131,976x = 7,619,271,631.98
  5. Step 5: Solve for x
    x = 7,619,271,631.98/131,976
  6. Step 6: Final answer
    x = 57,732.25

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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.