Home / 171,131.26-256,171.40-107,654.17

Finding the Fourth Proportional to 171,131.26, 256,171.40 and 107,654.17

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Solution

The fourth proportional to 171,131.26, 256,171.40 and 107,654.17 is: 161,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,131.26 : 256,171.40 = 107,654.17 : x
  2. Step 2: Convert to fraction form
    171,131.26/256,171.40 = 107,654.17/x
  3. Step 3: Cross multiply
    171,131.26x = 256,171.40 × 107,654.17
  4. Step 4: Simplify right side
    171,131.26x = 27,577,919,035.14
  5. Step 5: Solve for x
    x = 27,577,919,035.14/171,131.26
  6. Step 6: Final answer
    x = 161,150.68

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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.