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Finding the Fourth Proportional to 201,107.72, 301,656.94 and 101,241.12

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Solution

The fourth proportional to 201,107.72, 301,656.94 and 101,241.12 is: 151,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,107.72 : 301,656.94 = 101,241.12 : x
  2. Step 2: Convert to fraction form
    201,107.72/301,656.94 = 101,241.12/x
  3. Step 3: Cross multiply
    201,107.72x = 301,656.94 × 101,241.12
  4. Step 4: Simplify right side
    201,107.72x = 30,540,086,461.37
  5. Step 5: Solve for x
    x = 30,540,086,461.37/201,107.72
  6. Step 6: Final answer
    x = 151,859.34

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1.5x scale

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.