Finding the Fourth Proportional to 135,884.57, 187,537.98 and 82,169.96
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Solution
The fourth proportional to 135,884.57, 187,537.98 and 82,169.96 is: 113,404.99
Step by Step Solution
- Step 1: Write the proportion equation
135,884.57 : 187,537.98 = 82,169.96 : x - Step 2: Convert to fraction form
135,884.57/187,537.98 = 82,169.96/x - Step 3: Cross multiply
135,884.57x = 187,537.98 × 82,169.96 - Step 4: Simplify right side
135,884.57x = 15,409,988,315.08 - Step 5: Solve for x
x = 15,409,988,315.08/135,884.57 - Step 6: Final answer
x = 113,404.99
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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.