Finding the Fourth Proportional to 135,676.92, 187,232.94 and 76,060.92
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Solution
The fourth proportional to 135,676.92, 187,232.94 and 76,060.92 is: 104,963.39
Step by Step Solution
- Step 1: Write the proportion equation
135,676.92 : 187,232.94 = 76,060.92 : x - Step 2: Convert to fraction form
135,676.92/187,232.94 = 76,060.92/x - Step 3: Cross multiply
135,676.92x = 187,232.94 × 76,060.92 - Step 4: Simplify right side
135,676.92x = 14,241,109,670.70 - Step 5: Solve for x
x = 14,241,109,670.70/135,676.92 - Step 6: Final answer
x = 104,963.39
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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.