Home / 206,298.24-309,052.07-139,623.36

Finding the Fourth Proportional to 206,298.24, 309,052.07 and 139,623.36

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Solution

The fourth proportional to 206,298.24, 309,052.07 and 139,623.36 is: 209,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,298.24 : 309,052.07 = 139,623.36 : x
  2. Step 2: Convert to fraction form
    206,298.24/309,052.07 = 139,623.36/x
  3. Step 3: Cross multiply
    206,298.24x = 309,052.07 × 139,623.36
  4. Step 4: Simplify right side
    206,298.24x = 43,150,888,428.36
  5. Step 5: Solve for x
    x = 43,150,888,428.36/206,298.24
  6. Step 6: Final answer
    x = 209,167.51

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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.