Finding the Fourth Proportional to 94,157.70, 141,236.64 and 66,202.80
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Solution
The fourth proportional to 94,157.70, 141,236.64 and 66,202.80 is: 99,304.26
Step by Step Solution
- Step 1: Write the proportion equation
94,157.70 : 141,236.64 = 66,202.80 : x - Step 2: Convert to fraction form
94,157.70/141,236.64 = 66,202.80/x - Step 3: Cross multiply
94,157.70x = 141,236.64 × 66,202.80 - Step 4: Simplify right side
94,157.70x = 9,350,261,030.59 - Step 5: Solve for x
x = 9,350,261,030.59/94,157.70 - Step 6: Final answer
x = 99,304.26
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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.