Finding the Fourth Proportional to 147,914.99, 204,136.97 and 87,505.05
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Solution
The fourth proportional to 147,914.99, 204,136.97 and 87,505.05 is: 120,765.42
Step by Step Solution
- Step 1: Write the proportion equation
147,914.99 : 204,136.97 = 87,505.05 : x - Step 2: Convert to fraction form
147,914.99/204,136.97 = 87,505.05/x - Step 3: Cross multiply
147,914.99x = 204,136.97 × 87,505.05 - Step 4: Simplify right side
147,914.99x = 17,863,015,329.17 - Step 5: Solve for x
x = 17,863,015,329.17/147,914.99 - Step 6: Final answer
x = 120,765.42
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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.