Finding the Fourth Proportional to 122,241.92, 168,707.84 and 68,541.44
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Solution
The fourth proportional to 122,241.92, 168,707.84 and 68,541.44 is: 94,595.03
Step by Step Solution
- Step 1: Write the proportion equation
122,241.92 : 168,707.84 = 68,541.44 : x - Step 2: Convert to fraction form
122,241.92/168,707.84 = 68,541.44/x - Step 3: Cross multiply
122,241.92x = 168,707.84 × 68,541.44 - Step 4: Simplify right side
122,241.92x = 11,563,478,292.89 - Step 5: Solve for x
x = 11,563,478,292.89/122,241.92 - Step 6: Final answer
x = 94,595.03
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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.