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Finding the Fourth Proportional to 201,072.07, 301,492.81 and 82,645.75

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Solution

The fourth proportional to 201,072.07, 301,492.81 and 82,645.75 is: 123,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,072.07 : 301,492.81 = 82,645.75 : x
  2. Step 2: Convert to fraction form
    201,072.07/301,492.81 = 82,645.75/x
  3. Step 3: Cross multiply
    201,072.07x = 301,492.81 × 82,645.75
  4. Step 4: Simplify right side
    201,072.07x = 24,917,099,402.06
  5. Step 5: Solve for x
    x = 24,917,099,402.06/201,072.07
  6. Step 6: Final answer
    x = 123,921.24

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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.