Home / 131,837.38-197,753.98-31,998.40

Finding the Fourth Proportional to 131,837.38, 197,753.98 and 31,998.40

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Solution

The fourth proportional to 131,837.38, 197,753.98 and 31,998.40 is: 47,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,837.38 : 197,753.98 = 31,998.40 : x
  2. Step 2: Convert to fraction form
    131,837.38/197,753.98 = 31,998.40/x
  3. Step 3: Cross multiply
    131,837.38x = 197,753.98 × 31,998.40
  4. Step 4: Simplify right side
    131,837.38x = 6,327,810,953.63
  5. Step 5: Solve for x
    x = 6,327,810,953.63/131,837.38
  6. Step 6: Final answer
    x = 47,997.09

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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.