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Finding the Fourth Proportional to 171,080.48, 256,489.90 and 103,597.83

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Solution

The fourth proportional to 171,080.48, 256,489.90 and 103,597.83 is: 155,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,080.48 : 256,489.90 = 103,597.83 : x
  2. Step 2: Convert to fraction form
    171,080.48/256,489.90 = 103,597.83/x
  3. Step 3: Cross multiply
    171,080.48x = 256,489.90 × 103,597.83
  4. Step 4: Simplify right side
    171,080.48x = 26,571,797,056.92
  5. Step 5: Solve for x
    x = 26,571,797,056.92/171,080.48
  6. Step 6: Final answer
    x = 155,317.53

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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.