Home / 131,837.88-197,754.73-31,998.90

Finding the Fourth Proportional to 131,837.88, 197,754.73 and 31,998.90

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Solution

The fourth proportional to 131,837.88, 197,754.73 and 31,998.90 is: 47,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,837.88 : 197,754.73 = 31,998.90 : x
  2. Step 2: Convert to fraction form
    131,837.88/197,754.73 = 31,998.90/x
  3. Step 3: Cross multiply
    131,837.88x = 197,754.73 × 31,998.90
  4. Step 4: Simplify right side
    131,837.88x = 6,327,933,829.80
  5. Step 5: Solve for x
    x = 6,327,933,829.80/131,837.88
  6. Step 6: Final answer
    x = 47,997.84

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1.5x scale

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.