Home / 112,103.44-154,745.94-82,126.86

Finding the Fourth Proportional to 112,103.44, 154,745.94 and 82,126.86

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Solution

The fourth proportional to 112,103.44, 154,745.94 and 82,126.86 is: 113,366.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,103.44 : 154,745.94 = 82,126.86 : x
  2. Step 2: Convert to fraction form
    112,103.44/154,745.94 = 82,126.86/x
  3. Step 3: Cross multiply
    112,103.44x = 154,745.94 × 82,126.86
  4. Step 4: Simplify right side
    112,103.44x = 12,708,798,748.07
  5. Step 5: Solve for x
    x = 12,708,798,748.07/112,103.44
  6. Step 6: Final answer
    x = 113,366.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.