Finding the Fourth Proportional to 107,205.05, 148,620.57 and 101,517.26
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Solution
The fourth proportional to 107,205.05, 148,620.57 and 101,517.26 is: 140,735.47
Step by Step Solution
- Step 1: Write the proportion equation
107,205.05 : 148,620.57 = 101,517.26 : x - Step 2: Convert to fraction form
107,205.05/148,620.57 = 101,517.26/x - Step 3: Cross multiply
107,205.05x = 148,620.57 × 101,517.26 - Step 4: Simplify right side
107,205.05x = 15,087,552,302.94 - Step 5: Solve for x
x = 15,087,552,302.94/107,205.05 - Step 6: Final answer
x = 140,735.47
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.