Finding the Fourth Proportional to 135,973.28, 203,958.41 and 82,679.94
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Solution
The fourth proportional to 135,973.28, 203,958.41 and 82,679.94 is: 124,018.99
Step by Step Solution
- Step 1: Write the proportion equation
135,973.28 : 203,958.41 = 82,679.94 : x - Step 2: Convert to fraction form
135,973.28/203,958.41 = 82,679.94/x - Step 3: Cross multiply
135,973.28x = 203,958.41 × 82,679.94 - Step 4: Simplify right side
135,973.28x = 16,863,268,687.90 - Step 5: Solve for x
x = 16,863,268,687.90/135,973.28 - Step 6: Final answer
x = 124,018.99
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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.