Home / 206,164.31-309,231.74-64,006.13

Finding the Fourth Proportional to 206,164.31, 309,231.74 and 64,006.13

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Solution

The fourth proportional to 206,164.31, 309,231.74 and 64,006.13 is: 96,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,164.31 : 309,231.74 = 64,006.13 : x
  2. Step 2: Convert to fraction form
    206,164.31/309,231.74 = 64,006.13/x
  3. Step 3: Cross multiply
    206,164.31x = 309,231.74 × 64,006.13
  4. Step 4: Simplify right side
    206,164.31x = 19,792,727,883.66
  5. Step 5: Solve for x
    x = 19,792,727,883.66/206,164.31
  6. Step 6: Final answer
    x = 96,004.63

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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.