Home / 206,048.73-309,073.92-72,929.01

Finding the Fourth Proportional to 206,048.73, 309,073.92 and 72,929.01

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Solution

The fourth proportional to 206,048.73, 309,073.92 and 72,929.01 is: 109,393.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,048.73 : 309,073.92 = 72,929.01 : x
  2. Step 2: Convert to fraction form
    206,048.73/309,073.92 = 72,929.01/x
  3. Step 3: Cross multiply
    206,048.73x = 309,073.92 × 72,929.01
  4. Step 4: Simplify right side
    206,048.73x = 22,540,455,002.42
  5. Step 5: Solve for x
    x = 22,540,455,002.42/206,048.73
  6. Step 6: Final answer
    x = 109,393.81

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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.