Finding the Fourth Proportional to 135,086.16, 202,569.74 and 71,891.04
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Solution
The fourth proportional to 135,086.16, 202,569.74 and 71,891.04 is: 107,804.89
Step by Step Solution
- Step 1: Write the proportion equation
135,086.16 : 202,569.74 = 71,891.04 : x - Step 2: Convert to fraction form
135,086.16/202,569.74 = 71,891.04/x - Step 3: Cross multiply
135,086.16x = 202,569.74 × 71,891.04 - Step 4: Simplify right side
135,086.16x = 14,562,949,281.13 - Step 5: Solve for x
x = 14,562,949,281.13/135,086.16 - Step 6: Final answer
x = 107,804.89
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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.