Finding the Fourth Proportional to 135,687.30, 187,125.91 and 84,704.74
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Solution
The fourth proportional to 135,687.30, 187,125.91 and 84,704.74 is: 116,816.02
Step by Step Solution
- Step 1: Write the proportion equation
135,687.30 : 187,125.91 = 84,704.74 : x - Step 2: Convert to fraction form
135,687.30/187,125.91 = 84,704.74/x - Step 3: Cross multiply
135,687.30x = 187,125.91 × 84,704.74 - Step 4: Simplify right side
135,687.30x = 15,850,450,874.24 - Step 5: Solve for x
x = 15,850,450,874.24/135,687.30 - Step 6: Final answer
x = 116,816.02
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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.