Finding the Fourth Proportional to 102,361.87, 141,259.67 and 59,349.70
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Solution
The fourth proportional to 102,361.87, 141,259.67 and 59,349.70 is: 81,902.75
Step by Step Solution
- Step 1: Write the proportion equation
102,361.87 : 141,259.67 = 59,349.70 : x - Step 2: Convert to fraction form
102,361.87/141,259.67 = 59,349.70/x - Step 3: Cross multiply
102,361.87x = 141,259.67 × 59,349.70 - Step 4: Simplify right side
102,361.87x = 8,383,719,036.60 - Step 5: Solve for x
x = 8,383,719,036.60/102,361.87 - Step 6: Final answer
x = 81,902.75
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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.