Home / 238,709.97-329,412.22-131,279.67

Finding the Fourth Proportional to 238,709.97, 329,412.22 and 131,279.67

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Solution

The fourth proportional to 238,709.97, 329,412.22 and 131,279.67 is: 181,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,709.97 : 329,412.22 = 131,279.67 : x
  2. Step 2: Convert to fraction form
    238,709.97/329,412.22 = 131,279.67/x
  3. Step 3: Cross multiply
    238,709.97x = 329,412.22 × 131,279.67
  4. Step 4: Simplify right side
    238,709.97x = 43,245,127,207.37
  5. Step 5: Solve for x
    x = 43,245,127,207.37/238,709.97
  6. Step 6: Final answer
    x = 181,161.80

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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.