Finding the Fourth Proportional to 125,891.13, 188,855.14 and 37,133.09
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Solution
The fourth proportional to 125,891.13, 188,855.14 and 37,133.09 is: 55,705.08
Step by Step Solution
- Step 1: Write the proportion equation
125,891.13 : 188,855.14 = 37,133.09 : x - Step 2: Convert to fraction form
125,891.13/188,855.14 = 37,133.09/x - Step 3: Cross multiply
125,891.13x = 188,855.14 × 37,133.09 - Step 4: Simplify right side
125,891.13x = 7,012,774,910.58 - Step 5: Solve for x
x = 7,012,774,910.58/125,891.13 - Step 6: Final answer
x = 55,705.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.