Finding the Fourth Proportional to 160,069.07, 220,907.92 and 91,161.46
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Solution
The fourth proportional to 160,069.07, 220,907.92 and 91,161.46 is: 125,809.99
Step by Step Solution
- Step 1: Write the proportion equation
160,069.07 : 220,907.92 = 91,161.46 : x - Step 2: Convert to fraction form
160,069.07/220,907.92 = 91,161.46/x - Step 3: Cross multiply
160,069.07x = 220,907.92 × 91,161.46 - Step 4: Simplify right side
160,069.07x = 20,138,288,056.96 - Step 5: Solve for x
x = 20,138,288,056.96/160,069.07 - Step 6: Final answer
x = 125,809.99
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1.5x scale
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.