Finding the Fourth Proportional to 122,591.11, 169,192.79 and 68,880.28
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Solution
The fourth proportional to 122,591.11, 169,192.79 and 68,880.28 is: 95,064.37
Step by Step Solution
- Step 1: Write the proportion equation
122,591.11 : 169,192.79 = 68,880.28 : x - Step 2: Convert to fraction form
122,591.11/169,192.79 = 68,880.28/x - Step 3: Cross multiply
122,591.11x = 169,192.79 × 68,880.28 - Step 4: Simplify right side
122,591.11x = 11,654,046,749.18 - Step 5: Solve for x
x = 11,654,046,749.18/122,591.11 - Step 6: Final answer
x = 95,064.37
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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.