Finding the Fourth Proportional to 125,971.38, 188,988.12 and 37,224.54
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Solution
The fourth proportional to 125,971.38, 188,988.12 and 37,224.54 is: 55,845.99
Step by Step Solution
- Step 1: Write the proportion equation
125,971.38 : 188,988.12 = 37,224.54 : x - Step 2: Convert to fraction form
125,971.38/188,988.12 = 37,224.54/x - Step 3: Cross multiply
125,971.38x = 188,988.12 × 37,224.54 - Step 4: Simplify right side
125,971.38x = 7,034,995,832.46 - Step 5: Solve for x
x = 7,034,995,832.46/125,971.38 - Step 6: Final answer
x = 55,845.99
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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.