Finding the Fourth Proportional to 136,108.24, 187,786.02 and 82,376.08
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Solution
The fourth proportional to 136,108.24, 187,786.02 and 82,376.08 is: 113,652.75
Step by Step Solution
- Step 1: Write the proportion equation
136,108.24 : 187,786.02 = 82,376.08 : x - Step 2: Convert to fraction form
136,108.24/187,786.02 = 82,376.08/x - Step 3: Cross multiply
136,108.24x = 187,786.02 × 82,376.08 - Step 4: Simplify right side
136,108.24x = 15,469,076,206.40 - Step 5: Solve for x
x = 15,469,076,206.40/136,108.24 - Step 6: Final answer
x = 113,652.75
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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.