Home / 170,591.31-256,108.71-131,176.11

Finding the Fourth Proportional to 170,591.31, 256,108.71 and 131,176.11

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Solution

The fourth proportional to 170,591.31, 256,108.71 and 131,176.11 is: 196,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,591.31 : 256,108.71 = 131,176.11 : x
  2. Step 2: Convert to fraction form
    170,591.31/256,108.71 = 131,176.11/x
  3. Step 3: Cross multiply
    170,591.31x = 256,108.71 × 131,176.11
  4. Step 4: Simplify right side
    170,591.31x = 33,595,344,314.92
  5. Step 5: Solve for x
    x = 33,595,344,314.92/170,591.31
  6. Step 6: Final answer
    x = 196,934.68

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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.