Finding the Fourth Proportional to 127,675.18, 176,192.97 and 71,087.77
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Solution
The fourth proportional to 127,675.18, 176,192.97 and 71,087.77 is: 98,101.80
Step by Step Solution
- Step 1: Write the proportion equation
127,675.18 : 176,192.97 = 71,087.77 : x - Step 2: Convert to fraction form
127,675.18/176,192.97 = 71,087.77/x - Step 3: Cross multiply
127,675.18x = 176,192.97 × 71,087.77 - Step 4: Simplify right side
127,675.18x = 12,525,165,326.98 - Step 5: Solve for x
x = 12,525,165,326.98/127,675.18 - Step 6: Final answer
x = 98,101.80
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1.5x scale
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.