Home / 187,131.62-280,757.37-67,107.71

Finding the Fourth Proportional to 187,131.62, 280,757.37 and 67,107.71

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Solution

The fourth proportional to 187,131.62, 280,757.37 and 67,107.71 is: 100,683.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,131.62 : 280,757.37 = 67,107.71 : x
  2. Step 2: Convert to fraction form
    187,131.62/280,757.37 = 67,107.71/x
  3. Step 3: Cross multiply
    187,131.62x = 280,757.37 × 67,107.71
  4. Step 4: Simplify right side
    187,131.62x = 18,840,984,166.32
  5. Step 5: Solve for x
    x = 18,840,984,166.32/187,131.62
  6. Step 6: Final answer
    x = 100,683.06

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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.