Finding the Fourth Proportional to 136,115.60, 203,784.60 and 122,118.80
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Solution
The fourth proportional to 136,115.60, 203,784.60 and 122,118.80 is: 182,829.38
Step by Step Solution
- Step 1: Write the proportion equation
136,115.60 : 203,784.60 = 122,118.80 : x - Step 2: Convert to fraction form
136,115.60/203,784.60 = 122,118.80/x - Step 3: Cross multiply
136,115.60x = 203,784.60 × 122,118.80 - Step 4: Simplify right side
136,115.60x = 24,885,930,810.48 - Step 5: Solve for x
x = 24,885,930,810.48/136,115.60 - Step 6: Final answer
x = 182,829.38
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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.