Finding the Fourth Proportional to 135,137.16, 202,619.88 and 118,530.54
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Solution
The fourth proportional to 135,137.16, 202,619.88 and 118,530.54 is: 177,720.50
Step by Step Solution
- Step 1: Write the proportion equation
135,137.16 : 202,619.88 = 118,530.54 : x - Step 2: Convert to fraction form
135,137.16/202,619.88 = 118,530.54/x - Step 3: Cross multiply
135,137.16x = 202,619.88 × 118,530.54 - Step 4: Simplify right side
135,137.16x = 24,016,643,791.14 - Step 5: Solve for x
x = 24,016,643,791.14/135,137.16 - Step 6: Final answer
x = 177,720.50
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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.