Home / 187,170.85-280,785.43-112,273.39

Finding the Fourth Proportional to 187,170.85, 280,785.43 and 112,273.39

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Solution

The fourth proportional to 187,170.85, 280,785.43 and 112,273.39 is: 168,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,170.85 : 280,785.43 = 112,273.39 : x
  2. Step 2: Convert to fraction form
    187,170.85/280,785.43 = 112,273.39/x
  3. Step 3: Cross multiply
    187,170.85x = 280,785.43 × 112,273.39
  4. Step 4: Simplify right side
    187,170.85x = 31,524,730,684.78
  5. Step 5: Solve for x
    x = 31,524,730,684.78/187,170.85
  6. Step 6: Final answer
    x = 168,427.57

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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.