Finding the Fourth Proportional to 129,186.60, 193,783.68 and 35,692.44
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Solution
The fourth proportional to 129,186.60, 193,783.68 and 35,692.44 is: 53,539.70
Step by Step Solution
- Step 1: Write the proportion equation
129,186.60 : 193,783.68 = 35,692.44 : x - Step 2: Convert to fraction form
129,186.60/193,783.68 = 35,692.44/x - Step 3: Cross multiply
129,186.60x = 193,783.68 × 35,692.44 - Step 4: Simplify right side
129,186.60x = 6,916,612,371.38 - Step 5: Solve for x
x = 6,916,612,371.38/129,186.60 - Step 6: Final answer
x = 53,539.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.