Finding the Fourth Proportional to 135,973.14, 203,729.58 and 83,272.56
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Solution
The fourth proportional to 135,973.14, 203,729.58 and 83,272.56 is: 124,767.90
Step by Step Solution
- Step 1: Write the proportion equation
135,973.14 : 203,729.58 = 83,272.56 : x - Step 2: Convert to fraction form
135,973.14/203,729.58 = 83,272.56/x - Step 3: Cross multiply
135,973.14x = 203,729.58 × 83,272.56 - Step 4: Simplify right side
135,973.14x = 16,965,083,674.32 - Step 5: Solve for x
x = 16,965,083,674.32/135,973.14 - Step 6: Final answer
x = 124,767.90
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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.