Finding the Fourth Proportional to 142,975.26, 214,323.44 and 68,075.28
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Solution
The fourth proportional to 142,975.26, 214,323.44 and 68,075.28 is: 102,046.52
Step by Step Solution
- Step 1: Write the proportion equation
142,975.26 : 214,323.44 = 68,075.28 : x - Step 2: Convert to fraction form
142,975.26/214,323.44 = 68,075.28/x - Step 3: Cross multiply
142,975.26x = 214,323.44 × 68,075.28 - Step 4: Simplify right side
142,975.26x = 14,590,127,848.19 - Step 5: Solve for x
x = 14,590,127,848.19/142,975.26 - Step 6: Final answer
x = 102,046.52
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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.