Finding the Fourth Proportional to 122,344.05, 168,833.73 and 68,627.91
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Solution
The fourth proportional to 122,344.05, 168,833.73 and 68,627.91 is: 94,705.92
Step by Step Solution
- Step 1: Write the proportion equation
122,344.05 : 168,833.73 = 68,627.91 : x - Step 2: Convert to fraction form
122,344.05/168,833.73 = 68,627.91/x - Step 3: Cross multiply
122,344.05x = 168,833.73 × 68,627.91 - Step 4: Simplify right side
122,344.05x = 11,586,706,027.40 - Step 5: Solve for x
x = 11,586,706,027.40/122,344.05 - Step 6: Final answer
x = 94,705.92
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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.