Home / 270,728.72-406,176.20-121,094.88

Finding the Fourth Proportional to 270,728.72, 406,176.20 and 121,094.88

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Solution

The fourth proportional to 270,728.72, 406,176.20 and 121,094.88 is: 181,679.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,728.72 : 406,176.20 = 121,094.88 : x
  2. Step 2: Convert to fraction form
    270,728.72/406,176.20 = 121,094.88/x
  3. Step 3: Cross multiply
    270,728.72x = 406,176.20 × 121,094.88
  4. Step 4: Simplify right side
    270,728.72x = 49,185,858,197.86
  5. Step 5: Solve for x
    x = 49,185,858,197.86/270,728.72
  6. Step 6: Final answer
    x = 181,679.50

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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.