Finding the Fourth Proportional to 136,990.44, 205,552.08 and 119,254.68
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Solution
The fourth proportional to 136,990.44, 205,552.08 and 119,254.68 is: 178,939.84
Step by Step Solution
- Step 1: Write the proportion equation
136,990.44 : 205,552.08 = 119,254.68 : x - Step 2: Convert to fraction form
136,990.44/205,552.08 = 119,254.68/x - Step 3: Cross multiply
136,990.44x = 205,552.08 × 119,254.68 - Step 4: Simplify right side
136,990.44x = 24,513,047,523.73 - Step 5: Solve for x
x = 24,513,047,523.73/136,990.44 - Step 6: Final answer
x = 178,939.84
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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.