Finding the Fourth Proportional to 136,797.28, 205,260.90 and 94,742.08
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Solution
The fourth proportional to 136,797.28, 205,260.90 and 94,742.08 is: 142,158.12
Step by Step Solution
- Step 1: Write the proportion equation
136,797.28 : 205,260.90 = 94,742.08 : x - Step 2: Convert to fraction form
136,797.28/205,260.90 = 94,742.08/x - Step 3: Cross multiply
136,797.28x = 205,260.90 × 94,742.08 - Step 4: Simplify right side
136,797.28x = 19,446,844,608.67 - Step 5: Solve for x
x = 19,446,844,608.67/136,797.28 - Step 6: Final answer
x = 142,158.12
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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.