Finding the Fourth Proportional to 112,107.85, 168,133.12 and 33,203.62
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Solution
The fourth proportional to 112,107.85, 168,133.12 and 33,203.62 is: 49,796.95
Step by Step Solution
- Step 1: Write the proportion equation
112,107.85 : 168,133.12 = 33,203.62 : x - Step 2: Convert to fraction form
112,107.85/168,133.12 = 33,203.62/x - Step 3: Cross multiply
112,107.85x = 168,133.12 × 33,203.62 - Step 4: Simplify right side
112,107.85x = 5,582,628,353.05 - Step 5: Solve for x
x = 5,582,628,353.05/112,107.85 - Step 6: Final answer
x = 49,796.95
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1.5x scale
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.