Finding the Fourth Proportional to 158,087.99, 218,169.42 and 93,594.26
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Solution
The fourth proportional to 158,087.99, 218,169.42 and 93,594.26 is: 129,164.81
Step by Step Solution
- Step 1: Write the proportion equation
158,087.99 : 218,169.42 = 93,594.26 : x - Step 2: Convert to fraction form
158,087.99/218,169.42 = 93,594.26/x - Step 3: Cross multiply
158,087.99x = 218,169.42 × 93,594.26 - Step 4: Simplify right side
158,087.99x = 20,419,405,613.97 - Step 5: Solve for x
x = 20,419,405,613.97/158,087.99 - Step 6: Final answer
x = 129,164.81
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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.