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Finding the Fourth Proportional to 149,763, 206,672.94 and 96,771

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Solution

The fourth proportional to 149,763, 206,672.94 and 96,771 is: 133,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,763 : 206,672.94 = 96,771 : x
  2. Step 2: Convert to fraction form
    149,763/206,672.94 = 96,771/x
  3. Step 3: Cross multiply
    149,763x = 206,672.94 × 96,771
  4. Step 4: Simplify right side
    149,763x = 19,999,947,076.74
  5. Step 5: Solve for x
    x = 19,999,947,076.74/149,763
  6. Step 6: Final answer
    x = 133,543.98

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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.