Finding the Fourth Proportional to 121,580.61, 182,370.92 and 51,460.53
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Solution
The fourth proportional to 121,580.61, 182,370.92 and 51,460.53 is: 77,190.80
Step by Step Solution
- Step 1: Write the proportion equation
121,580.61 : 182,370.92 = 51,460.53 : x - Step 2: Convert to fraction form
121,580.61/182,370.92 = 51,460.53/x - Step 3: Cross multiply
121,580.61x = 182,370.92 × 51,460.53 - Step 4: Simplify right side
121,580.61x = 9,384,903,942.48 - Step 5: Solve for x
x = 9,384,903,942.48/121,580.61 - Step 6: Final answer
x = 77,190.80
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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.