Finding the Fourth Proportional to 127,753.59, 176,297.67 and 71,163.75
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Solution
The fourth proportional to 127,753.59, 176,297.67 and 71,163.75 is: 98,204.70
Step by Step Solution
- Step 1: Write the proportion equation
127,753.59 : 176,297.67 = 71,163.75 : x - Step 2: Convert to fraction form
127,753.59/176,297.67 = 71,163.75/x - Step 3: Cross multiply
127,753.59x = 176,297.67 × 71,163.75 - Step 4: Simplify right side
127,753.59x = 12,546,003,313.46 - Step 5: Solve for x
x = 12,546,003,313.46/127,753.59 - Step 6: Final answer
x = 98,204.70
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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.