Finding the Fourth Proportional to 127,922.63, 176,536.87 and 71,337.65
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Solution
The fourth proportional to 127,922.63, 176,536.87 and 71,337.65 is: 98,447.98
Step by Step Solution
- Step 1: Write the proportion equation
127,922.63 : 176,536.87 = 71,337.65 : x - Step 2: Convert to fraction form
127,922.63/176,536.87 = 71,337.65/x - Step 3: Cross multiply
127,922.63x = 176,536.87 × 71,337.65 - Step 4: Simplify right side
127,922.63x = 12,593,724,383.13 - Step 5: Solve for x
x = 12,593,724,383.13/127,922.63 - Step 6: Final answer
x = 98,447.98
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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.