Finding the Fourth Proportional to 120,415.58, 166,173.49 and 66,704.07
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Solution
The fourth proportional to 120,415.58, 166,173.49 and 66,704.07 is: 92,051.62
Step by Step Solution
- Step 1: Write the proportion equation
120,415.58 : 166,173.49 = 66,704.07 : x - Step 2: Convert to fraction form
120,415.58/166,173.49 = 66,704.07/x - Step 3: Cross multiply
120,415.58x = 166,173.49 × 66,704.07 - Step 4: Simplify right side
120,415.58x = 11,084,448,815.64 - Step 5: Solve for x
x = 11,084,448,815.64/120,415.58 - Step 6: Final answer
x = 92,051.62
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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.