Home / 204,021.80-306,032.70-141,036.20

Finding the Fourth Proportional to 204,021.80, 306,032.70 and 141,036.20

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Solution

The fourth proportional to 204,021.80, 306,032.70 and 141,036.20 is: 211,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,021.80 : 306,032.70 = 141,036.20 : x
  2. Step 2: Convert to fraction form
    204,021.80/306,032.70 = 141,036.20/x
  3. Step 3: Cross multiply
    204,021.80x = 306,032.70 × 141,036.20
  4. Step 4: Simplify right side
    204,021.80x = 43,161,689,083.74
  5. Step 5: Solve for x
    x = 43,161,689,083.74/204,021.80
  6. Step 6: Final answer
    x = 211,554.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.