Home / 217,968.69-326,776.58-68,131.83

Finding the Fourth Proportional to 217,968.69, 326,776.58 and 68,131.83

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Solution

The fourth proportional to 217,968.69, 326,776.58 and 68,131.83 is: 102,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,968.69 : 326,776.58 = 68,131.83 : x
  2. Step 2: Convert to fraction form
    217,968.69/326,776.58 = 68,131.83/x
  3. Step 3: Cross multiply
    217,968.69x = 326,776.58 × 68,131.83
  4. Step 4: Simplify right side
    217,968.69x = 22,263,886,055.88
  5. Step 5: Solve for x
    x = 22,263,886,055.88/217,968.69
  6. Step 6: Final answer
    x = 102,142.59

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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.