Home / 238,788.09-329,524.04-131,351.72

Finding the Fourth Proportional to 238,788.09, 329,524.04 and 131,351.72

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Solution

The fourth proportional to 238,788.09, 329,524.04 and 131,351.72 is: 181,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,788.09 : 329,524.04 = 131,351.72 : x
  2. Step 2: Convert to fraction form
    238,788.09/329,524.04 = 131,351.72/x
  3. Step 3: Cross multiply
    238,788.09x = 329,524.04 × 131,351.72
  4. Step 4: Simplify right side
    238,788.09x = 43,283,547,130.97
  5. Step 5: Solve for x
    x = 43,283,547,130.97/238,788.09
  6. Step 6: Final answer
    x = 181,263.43

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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.