Finding the Fourth Proportional to 119,836.44, 165,371.49 and 66,121.43
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Solution
The fourth proportional to 119,836.44, 165,371.49 and 66,121.43 is: 91,246.02
Step by Step Solution
- Step 1: Write the proportion equation
119,836.44 : 165,371.49 = 66,121.43 : x - Step 2: Convert to fraction form
119,836.44/165,371.49 = 66,121.43/x - Step 3: Cross multiply
119,836.44x = 165,371.49 × 66,121.43 - Step 4: Simplify right side
119,836.44x = 10,934,598,573.17 - Step 5: Solve for x
x = 10,934,598,573.17/119,836.44 - Step 6: Final answer
x = 91,246.02
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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.