Finding the Fourth Proportional to 135,158.62, 202,921.79 and 76,035.90
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Solution
The fourth proportional to 135,158.62, 202,921.79 and 76,035.90 is: 114,157.28
Step by Step Solution
- Step 1: Write the proportion equation
135,158.62 : 202,921.79 = 76,035.90 : x - Step 2: Convert to fraction form
135,158.62/202,921.79 = 76,035.90/x - Step 3: Cross multiply
135,158.62x = 202,921.79 × 76,035.90 - Step 4: Simplify right side
135,158.62x = 15,429,340,932.26 - Step 5: Solve for x
x = 15,429,340,932.26/135,158.62 - Step 6: Final answer
x = 114,157.28
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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.