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Finding the Fourth Proportional to 178,442.88, 246,249.60 and 97,868.94

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Solution

The fourth proportional to 178,442.88, 246,249.60 and 97,868.94 is: 135,058.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,442.88 : 246,249.60 = 97,868.94 : x
  2. Step 2: Convert to fraction form
    178,442.88/246,249.60 = 97,868.94/x
  3. Step 3: Cross multiply
    178,442.88x = 246,249.60 × 97,868.94
  4. Step 4: Simplify right side
    178,442.88x = 24,100,187,327.42
  5. Step 5: Solve for x
    x = 24,100,187,327.42/178,442.88
  6. Step 6: Final answer
    x = 135,058.27

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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.