Finding the Fourth Proportional to 121,907.44, 182,695.07 and 58,722.97
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Solution
The fourth proportional to 121,907.44, 182,695.07 and 58,722.97 is: 88,004.45
Step by Step Solution
- Step 1: Write the proportion equation
121,907.44 : 182,695.07 = 58,722.97 : x - Step 2: Convert to fraction form
121,907.44/182,695.07 = 58,722.97/x - Step 3: Cross multiply
121,907.44x = 182,695.07 × 58,722.97 - Step 4: Simplify right side
121,907.44x = 10,728,396,821.14 - Step 5: Solve for x
x = 10,728,396,821.14/121,907.44 - Step 6: Final answer
x = 88,004.45
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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.