Finding the Fourth Proportional to 136,037.24, 187,737.74 and 75,608.88
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Solution
The fourth proportional to 136,037.24, 187,737.74 and 75,608.88 is: 104,343.78
Step by Step Solution
- Step 1: Write the proportion equation
136,037.24 : 187,737.74 = 75,608.88 : x - Step 2: Convert to fraction form
136,037.24/187,737.74 = 75,608.88/x - Step 3: Cross multiply
136,037.24x = 187,737.74 × 75,608.88 - Step 4: Simplify right side
136,037.24x = 14,194,640,255.13 - Step 5: Solve for x
x = 14,194,640,255.13/136,037.24 - Step 6: Final answer
x = 104,343.78
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.