Finding the Fourth Proportional to 127,616.92, 176,108.34 and 71,027.08
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Solution
The fourth proportional to 127,616.92, 176,108.34 and 71,027.08 is: 98,015.70
Step by Step Solution
- Step 1: Write the proportion equation
127,616.92 : 176,108.34 = 71,027.08 : x - Step 2: Convert to fraction form
127,616.92/176,108.34 = 71,027.08/x - Step 3: Cross multiply
127,616.92x = 176,108.34 × 71,027.08 - Step 4: Simplify right side
127,616.92x = 12,508,461,153.85 - Step 5: Solve for x
x = 12,508,461,153.85/127,616.92 - Step 6: Final answer
x = 98,015.70
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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.