Finding the Fourth Proportional to 122,446.40, 183,669.60 and 106,894.40
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Solution
The fourth proportional to 122,446.40, 183,669.60 and 106,894.40 is: 160,341.60
Step by Step Solution
- Step 1: Write the proportion equation
122,446.40 : 183,669.60 = 106,894.40 : x - Step 2: Convert to fraction form
122,446.40/183,669.60 = 106,894.40/x - Step 3: Cross multiply
122,446.40x = 183,669.60 × 106,894.40 - Step 4: Simplify right side
122,446.40x = 19,633,251,690.24 - Step 5: Solve for x
x = 19,633,251,690.24/122,446.40 - Step 6: Final answer
x = 160,341.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.