Finding the Fourth Proportional to 135,751.97, 187,344.03 and 84,794.87
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Solution
The fourth proportional to 135,751.97, 187,344.03 and 84,794.87 is: 117,020.86
Step by Step Solution
- Step 1: Write the proportion equation
135,751.97 : 187,344.03 = 84,794.87 : x - Step 2: Convert to fraction form
135,751.97/187,344.03 = 84,794.87/x - Step 3: Cross multiply
135,751.97x = 187,344.03 × 84,794.87 - Step 4: Simplify right side
135,751.97x = 15,885,811,732.41 - Step 5: Solve for x
x = 15,885,811,732.41/135,751.97 - Step 6: Final answer
x = 117,020.86
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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.