Home / 238,804.90-329,548.39-131,375.05

Finding the Fourth Proportional to 238,804.90, 329,548.39 and 131,375.05

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Solution

The fourth proportional to 238,804.90, 329,548.39 and 131,375.05 is: 181,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,804.90 : 329,548.39 = 131,375.05 : x
  2. Step 2: Convert to fraction form
    238,804.90/329,548.39 = 131,375.05/x
  3. Step 3: Cross multiply
    238,804.90x = 329,548.39 × 131,375.05
  4. Step 4: Simplify right side
    238,804.90x = 43,294,436,213.67
  5. Step 5: Solve for x
    x = 43,294,436,213.67/238,804.90
  6. Step 6: Final answer
    x = 181,296.26

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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.