Finding the Fourth Proportional to 136,255.68, 204,126.35 and 69,737.94
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Solution
The fourth proportional to 136,255.68, 204,126.35 and 69,737.94 is: 104,475.28
Step by Step Solution
- Step 1: Write the proportion equation
136,255.68 : 204,126.35 = 69,737.94 : x - Step 2: Convert to fraction form
136,255.68/204,126.35 = 69,737.94/x - Step 3: Cross multiply
136,255.68x = 204,126.35 × 69,737.94 - Step 4: Simplify right side
136,255.68x = 14,235,350,800.03 - Step 5: Solve for x
x = 14,235,350,800.03/136,255.68 - Step 6: Final answer
x = 104,475.28
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1.5x scale
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.