Home / 166,085.03-248,974.22-66,221.07

Finding the Fourth Proportional to 166,085.03, 248,974.22 and 66,221.07

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Solution

The fourth proportional to 166,085.03, 248,974.22 and 66,221.07 is: 99,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,085.03 : 248,974.22 = 66,221.07 : x
  2. Step 2: Convert to fraction form
    166,085.03/248,974.22 = 66,221.07/x
  3. Step 3: Cross multiply
    166,085.03x = 248,974.22 × 66,221.07
  4. Step 4: Simplify right side
    166,085.03x = 16,487,338,919.71
  5. Step 5: Solve for x
    x = 16,487,338,919.71/166,085.03
  6. Step 6: Final answer
    x = 99,270.47

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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.