Home / 238,968.71-329,774.31-131,536.43

Finding the Fourth Proportional to 238,968.71, 329,774.31 and 131,536.43

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Solution

The fourth proportional to 238,968.71, 329,774.31 and 131,536.43 is: 181,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,968.71 : 329,774.31 = 131,536.43 : x
  2. Step 2: Convert to fraction form
    238,968.71/329,774.31 = 131,536.43/x
  3. Step 3: Cross multiply
    238,968.71x = 329,774.31 × 131,536.43
  4. Step 4: Simplify right side
    238,968.71x = 43,377,336,328.33
  5. Step 5: Solve for x
    x = 43,377,336,328.33/238,968.71
  6. Step 6: Final answer
    x = 181,518.90

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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.