Home / 131,654.06-197,479.11-31,813.56

Finding the Fourth Proportional to 131,654.06, 197,479.11 and 31,813.56

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Solution

The fourth proportional to 131,654.06, 197,479.11 and 31,813.56 is: 47,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,654.06 : 197,479.11 = 31,813.56 : x
  2. Step 2: Convert to fraction form
    131,654.06/197,479.11 = 31,813.56/x
  3. Step 3: Cross multiply
    131,654.06x = 197,479.11 × 31,813.56
  4. Step 4: Simplify right side
    131,654.06x = 6,282,513,634.03
  5. Step 5: Solve for x
    x = 6,282,513,634.03/131,654.06
  6. Step 6: Final answer
    x = 47,719.86

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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.