Finding the Fourth Proportional to 122,064.20, 182,877.60 and 43,128.08
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Solution
The fourth proportional to 122,064.20, 182,877.60 and 43,128.08 is: 64,614.84
Step by Step Solution
- Step 1: Write the proportion equation
122,064.20 : 182,877.60 = 43,128.08 : x - Step 2: Convert to fraction form
122,064.20/182,877.60 = 43,128.08/x - Step 3: Cross multiply
122,064.20x = 182,877.60 × 43,128.08 - Step 4: Simplify right side
122,064.20x = 7,887,159,144.08 - Step 5: Solve for x
x = 7,887,159,144.08/122,064.20 - Step 6: Final answer
x = 64,614.84
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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.