Home / 187,433.40-280,839.06-131,912.76

Finding the Fourth Proportional to 187,433.40, 280,839.06 and 131,912.76

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Solution

The fourth proportional to 187,433.40, 280,839.06 and 131,912.76 is: 197,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,433.40 : 280,839.06 = 131,912.76 : x
  2. Step 2: Convert to fraction form
    187,433.40/280,839.06 = 131,912.76/x
  3. Step 3: Cross multiply
    187,433.40x = 280,839.06 × 131,912.76
  4. Step 4: Simplify right side
    187,433.40x = 37,046,255,520.41
  5. Step 5: Solve for x
    x = 37,046,255,520.41/187,433.40
  6. Step 6: Final answer
    x = 197,650.23

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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.