Finding the Fourth Proportional to 135,937.12, 203,675.60 and 83,236.56
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Solution
The fourth proportional to 135,937.12, 203,675.60 and 83,236.56 is: 124,713.96
Step by Step Solution
- Step 1: Write the proportion equation
135,937.12 : 203,675.60 = 83,236.56 : x - Step 2: Convert to fraction form
135,937.12/203,675.60 = 83,236.56/x - Step 3: Cross multiply
135,937.12x = 203,675.60 × 83,236.56 - Step 4: Simplify right side
135,937.12x = 16,953,256,299.94 - Step 5: Solve for x
x = 16,953,256,299.94/135,937.12 - Step 6: Final answer
x = 124,713.96
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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.