Home / 238,546.72-329,162.64-147,869.75

Finding the Fourth Proportional to 238,546.72, 329,162.64 and 147,869.75

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Solution

The fourth proportional to 238,546.72, 329,162.64 and 147,869.75 is: 204,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,546.72 : 329,162.64 = 147,869.75 : x
  2. Step 2: Convert to fraction form
    238,546.72/329,162.64 = 147,869.75/x
  3. Step 3: Cross multiply
    238,546.72x = 329,162.64 × 147,869.75
  4. Step 4: Simplify right side
    238,546.72x = 48,673,197,554.54
  5. Step 5: Solve for x
    x = 48,673,197,554.54/238,546.72
  6. Step 6: Final answer
    x = 204,040.52

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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.