Finding the Fourth Proportional to 125,201.90, 187,802.64 and 83,163.98
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Solution
The fourth proportional to 125,201.90, 187,802.64 and 83,163.98 is: 124,745.83
Step by Step Solution
- Step 1: Write the proportion equation
125,201.90 : 187,802.64 = 83,163.98 : x - Step 2: Convert to fraction form
125,201.90/187,802.64 = 83,163.98/x - Step 3: Cross multiply
125,201.90x = 187,802.64 × 83,163.98 - Step 4: Simplify right side
125,201.90x = 15,618,414,996.91 - Step 5: Solve for x
x = 15,618,414,996.91/125,201.90 - Step 6: Final answer
x = 124,745.83
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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.