Finding the Fourth Proportional to 127,703.24, 176,227.62 and 71,119.88
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Solution
The fourth proportional to 127,703.24, 176,227.62 and 71,119.88 is: 98,143.85
Step by Step Solution
- Step 1: Write the proportion equation
127,703.24 : 176,227.62 = 71,119.88 : x - Step 2: Convert to fraction form
127,703.24/176,227.62 = 71,119.88/x - Step 3: Cross multiply
127,703.24x = 176,227.62 × 71,119.88 - Step 4: Simplify right side
127,703.24x = 12,533,287,187.09 - Step 5: Solve for x
x = 12,533,287,187.09/127,703.24 - Step 6: Final answer
x = 98,143.85
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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.