Finding the Fourth Proportional to 126,115.25, 189,173.57 and 37,369.53
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Solution
The fourth proportional to 126,115.25, 189,173.57 and 37,369.53 is: 56,054.50
Step by Step Solution
- Step 1: Write the proportion equation
126,115.25 : 189,173.57 = 37,369.53 : x - Step 2: Convert to fraction form
126,115.25/189,173.57 = 37,369.53/x - Step 3: Cross multiply
126,115.25x = 189,173.57 × 37,369.53 - Step 4: Simplify right side
126,115.25x = 7,069,327,212.47 - Step 5: Solve for x
x = 7,069,327,212.47/126,115.25 - Step 6: Final answer
x = 56,054.50
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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.