Finding the Fourth Proportional to 114,705.75, 158,319.23 and 63,735.99
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Solution
The fourth proportional to 114,705.75, 158,319.23 and 63,735.99 is: 87,969.72
Step by Step Solution
- Step 1: Write the proportion equation
114,705.75 : 158,319.23 = 63,735.99 : x - Step 2: Convert to fraction form
114,705.75/158,319.23 = 63,735.99/x - Step 3: Cross multiply
114,705.75x = 158,319.23 × 63,735.99 - Step 4: Simplify right side
114,705.75x = 10,090,632,860.09 - Step 5: Solve for x
x = 10,090,632,860.09/114,705.75 - Step 6: Final answer
x = 87,969.72
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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.