Home / 205,985.79-309,022.83-63,827.96

Finding the Fourth Proportional to 205,985.79, 309,022.83 and 63,827.96

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Solution

The fourth proportional to 205,985.79, 309,022.83 and 63,827.96 is: 95,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,985.79 : 309,022.83 = 63,827.96 : x
  2. Step 2: Convert to fraction form
    205,985.79/309,022.83 = 63,827.96/x
  3. Step 3: Cross multiply
    205,985.79x = 309,022.83 × 63,827.96
  4. Step 4: Simplify right side
    205,985.79x = 19,724,295,287.21
  5. Step 5: Solve for x
    x = 19,724,295,287.21/205,985.79
  6. Step 6: Final answer
    x = 95,755.61

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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.