Finding the Fourth Proportional to 125,035.92, 187,459.55 and 40,745.75
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Solution
The fourth proportional to 125,035.92, 187,459.55 and 40,745.75 is: 61,087.89
Step by Step Solution
- Step 1: Write the proportion equation
125,035.92 : 187,459.55 = 40,745.75 : x - Step 2: Convert to fraction form
125,035.92/187,459.55 = 40,745.75/x - Step 3: Cross multiply
125,035.92x = 187,459.55 × 40,745.75 - Step 4: Simplify right side
125,035.92x = 7,638,179,959.41 - Step 5: Solve for x
x = 7,638,179,959.41/125,035.92 - Step 6: Final answer
x = 61,087.89
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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.