Finding the Fourth Proportional to 135,027.80, 202,152.90 and 82,539.80
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Solution
The fourth proportional to 135,027.80, 202,152.90 and 82,539.80 is: 123,572.03
Step by Step Solution
- Step 1: Write the proportion equation
135,027.80 : 202,152.90 = 82,539.80 : x - Step 2: Convert to fraction form
135,027.80/202,152.90 = 82,539.80/x - Step 3: Cross multiply
135,027.80x = 202,152.90 × 82,539.80 - Step 4: Simplify right side
135,027.80x = 16,685,659,935.42 - Step 5: Solve for x
x = 16,685,659,935.42/135,027.80 - Step 6: Final answer
x = 123,572.03
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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.