Home / 131,731.52-197,597.78-31,891.55

Finding the Fourth Proportional to 131,731.52, 197,597.78 and 31,891.55

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Solution

The fourth proportional to 131,731.52, 197,597.78 and 31,891.55 is: 47,837.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,731.52 : 197,597.78 = 31,891.55 : x
  2. Step 2: Convert to fraction form
    131,731.52/197,597.78 = 31,891.55/x
  3. Step 3: Cross multiply
    131,731.52x = 197,597.78 × 31,891.55
  4. Step 4: Simplify right side
    131,731.52x = 6,301,698,333.31
  5. Step 5: Solve for x
    x = 6,301,698,333.31/131,731.52
  6. Step 6: Final answer
    x = 47,837.44

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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.