Home / 238,613.82-329,287.86-131,185.68

Finding the Fourth Proportional to 238,613.82, 329,287.86 and 131,185.68

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Solution

The fourth proportional to 238,613.82, 329,287.86 and 131,185.68 is: 181,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,613.82 : 329,287.86 = 131,185.68 : x
  2. Step 2: Convert to fraction form
    238,613.82/329,287.86 = 131,185.68/x
  3. Step 3: Cross multiply
    238,613.82x = 329,287.86 × 131,185.68
  4. Step 4: Simplify right side
    238,613.82x = 43,197,851,829.84
  5. Step 5: Solve for x
    x = 43,197,851,829.84/238,613.82
  6. Step 6: Final answer
    x = 181,036.67

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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.