Home / 166,828.93-250,243.32-66,989.09

Finding the Fourth Proportional to 166,828.93, 250,243.32 and 66,989.09

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Solution

The fourth proportional to 166,828.93, 250,243.32 and 66,989.09 is: 100,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,828.93 : 250,243.32 = 66,989.09 : x
  2. Step 2: Convert to fraction form
    166,828.93/250,243.32 = 66,989.09/x
  3. Step 3: Cross multiply
    166,828.93x = 250,243.32 × 66,989.09
  4. Step 4: Simplify right side
    166,828.93x = 16,763,571,034.16
  5. Step 5: Solve for x
    x = 16,763,571,034.16/166,828.93
  6. Step 6: Final answer
    x = 100,483.60

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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.