Home / 204,521.80-306,782.70-141,536.20

Finding the Fourth Proportional to 204,521.80, 306,782.70 and 141,536.20

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Solution

The fourth proportional to 204,521.80, 306,782.70 and 141,536.20 is: 212,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,521.80 : 306,782.70 = 141,536.20 : x
  2. Step 2: Convert to fraction form
    204,521.80/306,782.70 = 141,536.20/x
  3. Step 3: Cross multiply
    204,521.80x = 306,782.70 × 141,536.20
  4. Step 4: Simplify right side
    204,521.80x = 43,420,857,583.74
  5. Step 5: Solve for x
    x = 43,420,857,583.74/204,521.80
  6. Step 6: Final answer
    x = 212,304.30

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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.