Finding the Fourth Proportional to 167,143.85, 230,692.49 and 113,446.18
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Solution
The fourth proportional to 167,143.85, 230,692.49 and 113,446.18 is: 156,578.79
Step by Step Solution
- Step 1: Write the proportion equation
167,143.85 : 230,692.49 = 113,446.18 : x - Step 2: Convert to fraction form
167,143.85/230,692.49 = 113,446.18/x - Step 3: Cross multiply
167,143.85x = 230,692.49 × 113,446.18 - Step 4: Simplify right side
167,143.85x = 26,171,181,745.19 - Step 5: Solve for x
x = 26,171,181,745.19/167,143.85 - Step 6: Final answer
x = 156,578.79
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1.5x scale
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.