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Finding the Fourth Proportional to 147,396.50, 203,440 and 93,671.04

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Solution

The fourth proportional to 147,396.50, 203,440 and 93,671.04 is: 129,286.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,396.50 : 203,440 = 93,671.04 : x
  2. Step 2: Convert to fraction form
    147,396.50/203,440 = 93,671.04/x
  3. Step 3: Cross multiply
    147,396.50x = 203,440 × 93,671.04
  4. Step 4: Simplify right side
    147,396.50x = 19,056,436,377.60
  5. Step 5: Solve for x
    x = 19,056,436,377.60/147,396.50
  6. Step 6: Final answer
    x = 129,286.90

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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.