Finding the Fourth Proportional to 120,891.21, 166,851.14 and 69,895.84
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Solution
The fourth proportional to 120,891.21, 166,851.14 and 69,895.84 is: 96,468.56
Step by Step Solution
- Step 1: Write the proportion equation
120,891.21 : 166,851.14 = 69,895.84 : x - Step 2: Convert to fraction form
120,891.21/166,851.14 = 69,895.84/x - Step 3: Cross multiply
120,891.21x = 166,851.14 × 69,895.84 - Step 4: Simplify right side
120,891.21x = 11,662,200,585.26 - Step 5: Solve for x
x = 11,662,200,585.26/120,891.21 - Step 6: Final answer
x = 96,468.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.