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Finding the Fourth Proportional to 201,150.79, 301,702.25 and 66,181.39

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Solution

The fourth proportional to 201,150.79, 301,702.25 and 66,181.39 is: 99,264.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,150.79 : 301,702.25 = 66,181.39 : x
  2. Step 2: Convert to fraction form
    201,150.79/301,702.25 = 66,181.39/x
  3. Step 3: Cross multiply
    201,150.79x = 301,702.25 × 66,181.39
  4. Step 4: Simplify right side
    201,150.79x = 19,967,073,682.33
  5. Step 5: Solve for x
    x = 19,967,073,682.33/201,150.79
  6. Step 6: Final answer
    x = 99,264.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.