Finding the Fourth Proportional to 136,720.26, 204,683.23 and 79,620.07
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Solution
The fourth proportional to 136,720.26, 204,683.23 and 79,620.07 is: 119,198.82
Step by Step Solution
- Step 1: Write the proportion equation
136,720.26 : 204,683.23 = 79,620.07 : x - Step 2: Convert to fraction form
136,720.26/204,683.23 = 79,620.07/x - Step 3: Cross multiply
136,720.26x = 204,683.23 × 79,620.07 - Step 4: Simplify right side
136,720.26x = 16,296,893,100.43 - Step 5: Solve for x
x = 16,296,893,100.43/136,720.26 - Step 6: Final answer
x = 119,198.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.