Finding the Fourth Proportional to 120,556.14, 166,359.33 and 69,570.99
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Solution
The fourth proportional to 120,556.14, 166,359.33 and 69,570.99 is: 96,003.27
Step by Step Solution
- Step 1: Write the proportion equation
120,556.14 : 166,359.33 = 69,570.99 : x - Step 2: Convert to fraction form
120,556.14/166,359.33 = 69,570.99/x - Step 3: Cross multiply
120,556.14x = 166,359.33 × 69,570.99 - Step 4: Simplify right side
120,556.14x = 11,573,783,283.84 - Step 5: Solve for x
x = 11,573,783,283.84/120,556.14 - Step 6: Final answer
x = 96,003.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.