Finding the Fourth Proportional to 129,866.35, 194,805.60 and 41,126.80
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Solution
The fourth proportional to 129,866.35, 194,805.60 and 41,126.80 is: 61,692.12
Step by Step Solution
- Step 1: Write the proportion equation
129,866.35 : 194,805.60 = 41,126.80 : x - Step 2: Convert to fraction form
129,866.35/194,805.60 = 41,126.80/x - Step 3: Cross multiply
129,866.35x = 194,805.60 × 41,126.80 - Step 4: Simplify right side
129,866.35x = 8,011,730,950.08 - Step 5: Solve for x
x = 8,011,730,950.08/129,866.35 - Step 6: Final answer
x = 61,692.12
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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.