Finding the Fourth Proportional to 111,745.06, 166,564.91 and 102,776.99
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Solution
The fourth proportional to 111,745.06, 166,564.91 and 102,776.99 is: 153,197.29
Step by Step Solution
- Step 1: Write the proportion equation
111,745.06 : 166,564.91 = 102,776.99 : x - Step 2: Convert to fraction form
111,745.06/166,564.91 = 102,776.99/x - Step 3: Cross multiply
111,745.06x = 166,564.91 × 102,776.99 - Step 4: Simplify right side
111,745.06x = 17,119,040,450.47 - Step 5: Solve for x
x = 17,119,040,450.47/111,745.06 - Step 6: Final answer
x = 153,197.29
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.