Home / 238,634.78-329,316.06-131,212.08

Finding the Fourth Proportional to 238,634.78, 329,316.06 and 131,212.08

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Solution

The fourth proportional to 238,634.78, 329,316.06 and 131,212.08 is: 181,072.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,634.78 : 329,316.06 = 131,212.08 : x
  2. Step 2: Convert to fraction form
    238,634.78/329,316.06 = 131,212.08/x
  3. Step 3: Cross multiply
    238,634.78x = 329,316.06 × 131,212.08
  4. Step 4: Simplify right side
    238,634.78x = 43,210,245,210.00
  5. Step 5: Solve for x
    x = 43,210,245,210.00/238,634.78
  6. Step 6: Final answer
    x = 181,072.71

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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.