Finding the Fourth Proportional to 120,660.88, 166,526.37 and 69,685.99
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Solution
The fourth proportional to 120,660.88, 166,526.37 and 69,685.99 is: 96,174.96
Step by Step Solution
- Step 1: Write the proportion equation
120,660.88 : 166,526.37 = 69,685.99 : x - Step 2: Convert to fraction form
120,660.88/166,526.37 = 69,685.99/x - Step 3: Cross multiply
120,660.88x = 166,526.37 × 69,685.99 - Step 4: Simplify right side
120,660.88x = 11,604,554,954.56 - Step 5: Solve for x
x = 11,604,554,954.56/120,660.88 - Step 6: Final answer
x = 96,174.96
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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.