Finding the Fourth Proportional to 140,716.20, 211,092.53 and 45,912.99
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Solution
The fourth proportional to 140,716.20, 211,092.53 and 45,912.99 is: 68,875.43
Step by Step Solution
- Step 1: Write the proportion equation
140,716.20 : 211,092.53 = 45,912.99 : x - Step 2: Convert to fraction form
140,716.20/211,092.53 = 45,912.99/x - Step 3: Cross multiply
140,716.20x = 211,092.53 × 45,912.99 - Step 4: Simplify right side
140,716.20x = 9,691,889,218.96 - Step 5: Solve for x
x = 9,691,889,218.96/140,716.20 - Step 6: Final answer
x = 68,875.43
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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.