Home / 238,614.21-329,284.65-131,183.30

Finding the Fourth Proportional to 238,614.21, 329,284.65 and 131,183.30

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Solution

The fourth proportional to 238,614.21, 329,284.65 and 131,183.30 is: 181,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,614.21 : 329,284.65 = 131,183.30 : x
  2. Step 2: Convert to fraction form
    238,614.21/329,284.65 = 131,183.30/x
  3. Step 3: Cross multiply
    238,614.21x = 329,284.65 × 131,183.30
  4. Step 4: Simplify right side
    238,614.21x = 43,196,647,026.35
  5. Step 5: Solve for x
    x = 43,196,647,026.35/238,614.21
  6. Step 6: Final answer
    x = 181,031.33

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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.