Home / 238,923.30-329,676.38-136,929.12

Finding the Fourth Proportional to 238,923.30, 329,676.38 and 136,929.12

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Solution

The fourth proportional to 238,923.30, 329,676.38 and 136,929.12 is: 188,940.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,923.30 : 329,676.38 = 136,929.12 : x
  2. Step 2: Convert to fraction form
    238,923.30/329,676.38 = 136,929.12/x
  3. Step 3: Cross multiply
    238,923.30x = 329,676.38 × 136,929.12
  4. Step 4: Simplify right side
    238,923.30x = 45,142,295,190.74
  5. Step 5: Solve for x
    x = 45,142,295,190.74/238,923.30
  6. Step 6: Final answer
    x = 188,940.53

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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.