Home / 173,418.78-239,312.88-96,938

Finding the Fourth Proportional to 173,418.78, 239,312.88 and 96,938

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Solution

The fourth proportional to 173,418.78, 239,312.88 and 96,938 is: 133,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,418.78 : 239,312.88 = 96,938 : x
  2. Step 2: Convert to fraction form
    173,418.78/239,312.88 = 96,938/x
  3. Step 3: Cross multiply
    173,418.78x = 239,312.88 × 96,938
  4. Step 4: Simplify right side
    173,418.78x = 23,198,511,961.44
  5. Step 5: Solve for x
    x = 23,198,511,961.44/173,418.78
  6. Step 6: Final answer
    x = 133,771.62

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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.