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Finding the Fourth Proportional to 171,469.68, 257,204.54 and 71,575.38

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Solution

The fourth proportional to 171,469.68, 257,204.54 and 71,575.38 is: 107,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,469.68 : 257,204.54 = 71,575.38 : x
  2. Step 2: Convert to fraction form
    171,469.68/257,204.54 = 71,575.38/x
  3. Step 3: Cross multiply
    171,469.68x = 257,204.54 × 71,575.38
  4. Step 4: Simplify right side
    171,469.68x = 18,409,512,688.23
  5. Step 5: Solve for x
    x = 18,409,512,688.23/171,469.68
  6. Step 6: Final answer
    x = 107,363.08

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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.