Home / 187,823.35-281,267.66-131,399.33

Finding the Fourth Proportional to 187,823.35, 281,267.66 and 131,399.33

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Solution

The fourth proportional to 187,823.35, 281,267.66 and 131,399.33 is: 196,772.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,823.35 : 281,267.66 = 131,399.33 : x
  2. Step 2: Convert to fraction form
    187,823.35/281,267.66 = 131,399.33/x
  3. Step 3: Cross multiply
    187,823.35x = 281,267.66 × 131,399.33
  4. Step 4: Simplify right side
    187,823.35x = 36,958,382,074.67
  5. Step 5: Solve for x
    x = 36,958,382,074.67/187,823.35
  6. Step 6: Final answer
    x = 196,772.03

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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.