Finding the Fourth Proportional to 105,176.36, 157,840.67 and 41,143.95
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Solution
The fourth proportional to 105,176.36, 157,840.67 and 41,143.95 is: 61,745.71
Step by Step Solution
- Step 1: Write the proportion equation
105,176.36 : 157,840.67 = 41,143.95 : x - Step 2: Convert to fraction form
105,176.36/157,840.67 = 41,143.95/x - Step 3: Cross multiply
105,176.36x = 157,840.67 × 41,143.95 - Step 4: Simplify right side
105,176.36x = 6,494,188,737.31 - Step 5: Solve for x
x = 6,494,188,737.31/105,176.36 - Step 6: Final answer
x = 61,745.71
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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.