Home / 270,724.72-406,170.12-121,090.96

Finding the Fourth Proportional to 270,724.72, 406,170.12 and 121,090.96

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Solution

The fourth proportional to 270,724.72, 406,170.12 and 121,090.96 is: 181,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,724.72 : 406,170.12 = 121,090.96 : x
  2. Step 2: Convert to fraction form
    270,724.72/406,170.12 = 121,090.96/x
  3. Step 3: Cross multiply
    270,724.72x = 406,170.12 × 121,090.96
  4. Step 4: Simplify right side
    270,724.72x = 49,183,529,754.12
  5. Step 5: Solve for x
    x = 49,183,529,754.12/270,724.72
  6. Step 6: Final answer
    x = 181,673.58

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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.