Finding the Fourth Proportional to 123,052.24, 169,812.18 and 66,463.60
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Solution
The fourth proportional to 123,052.24, 169,812.18 and 66,463.60 is: 91,719.82
Step by Step Solution
- Step 1: Write the proportion equation
123,052.24 : 169,812.18 = 66,463.60 : x - Step 2: Convert to fraction form
123,052.24/169,812.18 = 66,463.60/x - Step 3: Cross multiply
123,052.24x = 169,812.18 × 66,463.60 - Step 4: Simplify right side
123,052.24x = 11,286,328,806.65 - Step 5: Solve for x
x = 11,286,328,806.65/123,052.24 - Step 6: Final answer
x = 91,719.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.