Home / 131,777.05-197,663.82-31,938.11

Finding the Fourth Proportional to 131,777.05, 197,663.82 and 31,938.11

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Solution

The fourth proportional to 131,777.05, 197,663.82 and 31,938.11 is: 47,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,777.05 : 197,663.82 = 31,938.11 : x
  2. Step 2: Convert to fraction form
    131,777.05/197,663.82 = 31,938.11/x
  3. Step 3: Cross multiply
    131,777.05x = 197,663.82 × 31,938.11
  4. Step 4: Simplify right side
    131,777.05x = 6,313,008,826.18
  5. Step 5: Solve for x
    x = 6,313,008,826.18/131,777.05
  6. Step 6: Final answer
    x = 47,906.74

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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.