Home / 217,872.14-326,706.14-91,485.41

Finding the Fourth Proportional to 217,872.14, 326,706.14 and 91,485.41

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Solution

The fourth proportional to 217,872.14, 326,706.14 and 91,485.41 is: 137,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,872.14 : 326,706.14 = 91,485.41 : x
  2. Step 2: Convert to fraction form
    217,872.14/326,706.14 = 91,485.41/x
  3. Step 3: Cross multiply
    217,872.14x = 326,706.14 × 91,485.41
  4. Step 4: Simplify right side
    217,872.14x = 29,888,843,076.46
  5. Step 5: Solve for x
    x = 29,888,843,076.46/217,872.14
  6. Step 6: Final answer
    x = 137,185.25

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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.