Finding the Fourth Proportional to 137,967.62, 207,096.21 and 122,273.06
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Solution
The fourth proportional to 137,967.62, 207,096.21 and 122,273.06 is: 183,537.90
Step by Step Solution
- Step 1: Write the proportion equation
137,967.62 : 207,096.21 = 122,273.06 : x - Step 2: Convert to fraction form
137,967.62/207,096.21 = 122,273.06/x - Step 3: Cross multiply
137,967.62x = 207,096.21 × 122,273.06 - Step 4: Simplify right side
137,967.62x = 25,322,286,275.62 - Step 5: Solve for x
x = 25,322,286,275.62/137,967.62 - Step 6: Final answer
x = 183,537.90
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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.