Finding the Fourth Proportional to 129,164.08, 193,757.20 and 35,669.84
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Solution
The fourth proportional to 129,164.08, 193,757.20 and 35,669.84 is: 53,507.82
Step by Step Solution
- Step 1: Write the proportion equation
129,164.08 : 193,757.20 = 35,669.84 : x - Step 2: Convert to fraction form
129,164.08/193,757.20 = 35,669.84/x - Step 3: Cross multiply
129,164.08x = 193,757.20 × 35,669.84 - Step 4: Simplify right side
129,164.08x = 6,911,288,322.85 - Step 5: Solve for x
x = 6,911,288,322.85/129,164.08 - Step 6: Final answer
x = 53,507.82
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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.