Home / 217,852.30-326,778.72-68,093.36

Finding the Fourth Proportional to 217,852.30, 326,778.72 and 68,093.36

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Solution

The fourth proportional to 217,852.30, 326,778.72 and 68,093.36 is: 102,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,852.30 : 326,778.72 = 68,093.36 : x
  2. Step 2: Convert to fraction form
    217,852.30/326,778.72 = 68,093.36/x
  3. Step 3: Cross multiply
    217,852.30x = 326,778.72 × 68,093.36
  4. Step 4: Simplify right side
    217,852.30x = 22,251,461,021.30
  5. Step 5: Solve for x
    x = 22,251,461,021.30/217,852.30
  6. Step 6: Final answer
    x = 102,140.12

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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.