Finding the Fourth Proportional to 107,074.20, 160,611.30 and 97,232.70
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Solution
The fourth proportional to 107,074.20, 160,611.30 and 97,232.70 is: 145,849.05
Step by Step Solution
- Step 1: Write the proportion equation
107,074.20 : 160,611.30 = 97,232.70 : x - Step 2: Convert to fraction form
107,074.20/160,611.30 = 97,232.70/x - Step 3: Cross multiply
107,074.20x = 160,611.30 × 97,232.70 - Step 4: Simplify right side
107,074.20x = 15,616,670,349.51 - Step 5: Solve for x
x = 15,616,670,349.51/107,074.20 - Step 6: Final answer
x = 145,849.05
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Similar ratio
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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.