Home / 187,660.41-280,784.34-131,609.93

Finding the Fourth Proportional to 187,660.41, 280,784.34 and 131,609.93

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Solution

The fourth proportional to 187,660.41, 280,784.34 and 131,609.93 is: 196,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,660.41 : 280,784.34 = 131,609.93 : x
  2. Step 2: Convert to fraction form
    187,660.41/280,784.34 = 131,609.93/x
  3. Step 3: Cross multiply
    187,660.41x = 280,784.34 × 131,609.93
  4. Step 4: Simplify right side
    187,660.41x = 36,954,005,928.57
  5. Step 5: Solve for x
    x = 36,954,005,928.57/187,660.41
  6. Step 6: Final answer
    x = 196,919.57

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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.