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Finding the Fourth Proportional to 149,366.84, 206,082.02 and 88,889

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Solution

The fourth proportional to 149,366.84, 206,082.02 and 88,889 is: 122,640.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,366.84 : 206,082.02 = 88,889 : x
  2. Step 2: Convert to fraction form
    149,366.84/206,082.02 = 88,889/x
  3. Step 3: Cross multiply
    149,366.84x = 206,082.02 × 88,889
  4. Step 4: Simplify right side
    149,366.84x = 18,318,424,675.78
  5. Step 5: Solve for x
    x = 18,318,424,675.78/149,366.84
  6. Step 6: Final answer
    x = 122,640.50

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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.