Finding the Fourth Proportional to 120,896.97, 166,919.18 and 108,110.31
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Solution
The fourth proportional to 120,896.97, 166,919.18 and 108,110.31 is: 149,264.98
Step by Step Solution
- Step 1: Write the proportion equation
120,896.97 : 166,919.18 = 108,110.31 : x - Step 2: Convert to fraction form
120,896.97/166,919.18 = 108,110.31/x - Step 3: Cross multiply
120,896.97x = 166,919.18 × 108,110.31 - Step 4: Simplify right side
120,896.97x = 18,045,683,754.19 - Step 5: Solve for x
x = 18,045,683,754.19/120,896.97 - Step 6: Final answer
x = 149,264.98
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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.