Finding the Fourth Proportional to 125,415.03, 188,187.10 and 83,324.09
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Solution
The fourth proportional to 125,415.03, 188,187.10 and 83,324.09 is: 125,029.02
Step by Step Solution
- Step 1: Write the proportion equation
125,415.03 : 188,187.10 = 83,324.09 : x - Step 2: Convert to fraction form
125,415.03/188,187.10 = 83,324.09/x - Step 3: Cross multiply
125,415.03x = 188,187.10 × 83,324.09 - Step 4: Simplify right side
125,415.03x = 15,680,519,119.40 - Step 5: Solve for x
x = 15,680,519,119.40/125,415.03 - Step 6: Final answer
x = 125,029.02
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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.