Finding the Fourth Proportional to 122,184.97, 168,612.44 and 71,194.46
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Solution
The fourth proportional to 122,184.97, 168,612.44 and 71,194.46 is: 98,246.70
Step by Step Solution
- Step 1: Write the proportion equation
122,184.97 : 168,612.44 = 71,194.46 : x - Step 2: Convert to fraction form
122,184.97/168,612.44 = 71,194.46/x - Step 3: Cross multiply
122,184.97x = 168,612.44 × 71,194.46 - Step 4: Simplify right side
122,184.97x = 12,004,270,416.05 - Step 5: Solve for x
x = 12,004,270,416.05/122,184.97 - Step 6: Final answer
x = 98,246.70
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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.