Finding the Fourth Proportional to 136,459.68, 204,708.18 and 47,692.62
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Solution
The fourth proportional to 136,459.68, 204,708.18 and 47,692.62 is: 71,545.45
Step by Step Solution
- Step 1: Write the proportion equation
136,459.68 : 204,708.18 = 47,692.62 : x - Step 2: Convert to fraction form
136,459.68/204,708.18 = 47,692.62/x - Step 3: Cross multiply
136,459.68x = 204,708.18 × 47,692.62 - Step 4: Simplify right side
136,459.68x = 9,763,069,439.63 - Step 5: Solve for x
x = 9,763,069,439.63/136,459.68 - Step 6: Final answer
x = 71,545.45
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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.