Home / 131,799.43-197,697.27-31,960.45

Finding the Fourth Proportional to 131,799.43, 197,697.27 and 31,960.45

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Solution

The fourth proportional to 131,799.43, 197,697.27 and 31,960.45 is: 47,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,799.43 : 197,697.27 = 31,960.45 : x
  2. Step 2: Convert to fraction form
    131,799.43/197,697.27 = 31,960.45/x
  3. Step 3: Cross multiply
    131,799.43x = 197,697.27 × 31,960.45
  4. Step 4: Simplify right side
    131,799.43x = 6,318,493,712.97
  5. Step 5: Solve for x
    x = 6,318,493,712.97/131,799.43
  6. Step 6: Final answer
    x = 47,940.22

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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.