Home / 187,018.26-280,942.58-115,993.39

Finding the Fourth Proportional to 187,018.26, 280,942.58 and 115,993.39

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Solution

The fourth proportional to 187,018.26, 280,942.58 and 115,993.39 is: 174,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,018.26 : 280,942.58 = 115,993.39 : x
  2. Step 2: Convert to fraction form
    187,018.26/280,942.58 = 115,993.39/x
  3. Step 3: Cross multiply
    187,018.26x = 280,942.58 × 115,993.39
  4. Step 4: Simplify right side
    187,018.26x = 32,587,482,249.55
  5. Step 5: Solve for x
    x = 32,587,482,249.55/187,018.26
  6. Step 6: Final answer
    x = 174,247.60

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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.