Home / 217,852.67-326,834.46-127,971.41

Finding the Fourth Proportional to 217,852.67, 326,834.46 and 127,971.41

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Solution

The fourth proportional to 217,852.67, 326,834.46 and 127,971.41 is: 191,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,852.67 : 326,834.46 = 127,971.41 : x
  2. Step 2: Convert to fraction form
    217,852.67/326,834.46 = 127,971.41/x
  3. Step 3: Cross multiply
    217,852.67x = 326,834.46 × 127,971.41
  4. Step 4: Simplify right side
    217,852.67x = 41,825,466,682.79
  5. Step 5: Solve for x
    x = 41,825,466,682.79/217,852.67
  6. Step 6: Final answer
    x = 191,989.69

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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.