Home / 238,609-329,272.03-131,178.25

Finding the Fourth Proportional to 238,609, 329,272.03 and 131,178.25

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Solution

The fourth proportional to 238,609, 329,272.03 and 131,178.25 is: 181,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,609 : 329,272.03 = 131,178.25 : x
  2. Step 2: Convert to fraction form
    238,609/329,272.03 = 131,178.25/x
  3. Step 3: Cross multiply
    238,609x = 329,272.03 × 131,178.25
  4. Step 4: Simplify right side
    238,609x = 43,193,328,669.35
  5. Step 5: Solve for x
    x = 43,193,328,669.35/238,609
  6. Step 6: Final answer
    x = 181,021.37

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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.