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Finding the Fourth Proportional to 92,840.88, 139,261.08 and 33,676.44

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Solution

The fourth proportional to 92,840.88, 139,261.08 and 33,676.44 is: 50,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,840.88 : 139,261.08 = 33,676.44 : x
  2. Step 2: Convert to fraction form
    92,840.88/139,261.08 = 33,676.44/x
  3. Step 3: Cross multiply
    92,840.88x = 139,261.08 × 33,676.44
  4. Step 4: Simplify right side
    92,840.88x = 4,689,817,404.96
  5. Step 5: Solve for x
    x = 4,689,817,404.96/92,840.88
  6. Step 6: Final answer
    x = 50,514.57

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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.