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Finding the Fourth Proportional to 171,104.61, 256,571.25 and 52,760.58

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Solution

The fourth proportional to 171,104.61, 256,571.25 and 52,760.58 is: 79,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,104.61 : 256,571.25 = 52,760.58 : x
  2. Step 2: Convert to fraction form
    171,104.61/256,571.25 = 52,760.58/x
  3. Step 3: Cross multiply
    171,104.61x = 256,571.25 × 52,760.58
  4. Step 4: Simplify right side
    171,104.61x = 13,536,847,961.33
  5. Step 5: Solve for x
    x = 13,536,847,961.33/171,104.61
  6. Step 6: Final answer
    x = 79,114.45

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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.