Finding the Fourth Proportional to 139,797.52, 193,057.68 and 119,537.44
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Solution
The fourth proportional to 139,797.52, 193,057.68 and 119,537.44 is: 165,078.90
Step by Step Solution
- Step 1: Write the proportion equation
139,797.52 : 193,057.68 = 119,537.44 : x - Step 2: Convert to fraction form
139,797.52/193,057.68 = 119,537.44/x - Step 3: Cross multiply
139,797.52x = 193,057.68 × 119,537.44 - Step 4: Simplify right side
139,797.52x = 23,077,620,839.54 - Step 5: Solve for x
x = 23,077,620,839.54/139,797.52 - Step 6: Final answer
x = 165,078.90
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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.