Finding the Fourth Proportional to 135,837.37, 203,672.97 and 64,781.74
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Solution
The fourth proportional to 135,837.37, 203,672.97 and 64,781.74 is: 97,132.99
Step by Step Solution
- Step 1: Write the proportion equation
135,837.37 : 203,672.97 = 64,781.74 : x - Step 2: Convert to fraction form
135,837.37/203,672.97 = 64,781.74/x - Step 3: Cross multiply
135,837.37x = 203,672.97 × 64,781.74 - Step 4: Simplify right side
135,837.37x = 13,194,289,885.09 - Step 5: Solve for x
x = 13,194,289,885.09/135,837.37 - Step 6: Final answer
x = 97,132.99
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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.