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Finding the Fourth Proportional to 92,249.88, 138,427.44 and 36,094.56

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Solution

The fourth proportional to 92,249.88, 138,427.44 and 36,094.56 is: 54,162.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,249.88 : 138,427.44 = 36,094.56 : x
  2. Step 2: Convert to fraction form
    92,249.88/138,427.44 = 36,094.56/x
  3. Step 3: Cross multiply
    92,249.88x = 138,427.44 × 36,094.56
  4. Step 4: Simplify right side
    92,249.88x = 4,996,477,538.73
  5. Step 5: Solve for x
    x = 4,996,477,538.73/92,249.88
  6. Step 6: Final answer
    x = 54,162.43

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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.