Home / 181,245.72-250,138.71-109,665.21

Finding the Fourth Proportional to 181,245.72, 250,138.71 and 109,665.21

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Solution

The fourth proportional to 181,245.72, 250,138.71 and 109,665.21 is: 151,349.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,245.72 : 250,138.71 = 109,665.21 : x
  2. Step 2: Convert to fraction form
    181,245.72/250,138.71 = 109,665.21/x
  3. Step 3: Cross multiply
    181,245.72x = 250,138.71 × 109,665.21
  4. Step 4: Simplify right side
    181,245.72x = 27,431,514,161.28
  5. Step 5: Solve for x
    x = 27,431,514,161.28/181,245.72
  6. Step 6: Final answer
    x = 151,349.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.