Finding the Fourth Proportional to 122,903.01, 169,622.32 and 69,198.49
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Solution
The fourth proportional to 122,903.01, 169,622.32 and 69,198.49 is: 95,503.02
Step by Step Solution
- Step 1: Write the proportion equation
122,903.01 : 169,622.32 = 69,198.49 : x - Step 2: Convert to fraction form
122,903.01/169,622.32 = 69,198.49/x - Step 3: Cross multiply
122,903.01x = 169,622.32 × 69,198.49 - Step 4: Simplify right side
122,903.01x = 11,737,608,583.08 - Step 5: Solve for x
x = 11,737,608,583.08/122,903.01 - Step 6: Final answer
x = 95,503.02
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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.