Finding the Fourth Proportional to 119,216.75, 178,785.63 and 48,121.02
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Solution
The fourth proportional to 119,216.75, 178,785.63 and 48,121.02 is: 72,165.59
Step by Step Solution
- Step 1: Write the proportion equation
119,216.75 : 178,785.63 = 48,121.02 : x - Step 2: Convert to fraction form
119,216.75/178,785.63 = 48,121.02/x - Step 3: Cross multiply
119,216.75x = 178,785.63 × 48,121.02 - Step 4: Simplify right side
119,216.75x = 8,603,346,876.94 - Step 5: Solve for x
x = 8,603,346,876.94/119,216.75 - Step 6: Final answer
x = 72,165.59
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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.