Finding the Fourth Proportional to 106,891.74, 160,213.68 and 40,289.22
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Solution
The fourth proportional to 106,891.74, 160,213.68 and 40,289.22 is: 60,387.12
Step by Step Solution
- Step 1: Write the proportion equation
106,891.74 : 160,213.68 = 40,289.22 : x - Step 2: Convert to fraction form
106,891.74/160,213.68 = 40,289.22/x - Step 3: Cross multiply
106,891.74x = 160,213.68 × 40,289.22 - Step 4: Simplify right side
106,891.74x = 6,454,884,200.53 - Step 5: Solve for x
x = 6,454,884,200.53/106,891.74 - Step 6: Final answer
x = 60,387.12
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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.