Finding the Fourth Proportional to 135,589.41, 187,093.74 and 75,160.02
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Solution
The fourth proportional to 135,589.41, 187,093.74 and 75,160.02 is: 103,709.94
Step by Step Solution
- Step 1: Write the proportion equation
135,589.41 : 187,093.74 = 75,160.02 : x - Step 2: Convert to fraction form
135,589.41/187,093.74 = 75,160.02/x - Step 3: Cross multiply
135,589.41x = 187,093.74 × 75,160.02 - Step 4: Simplify right side
135,589.41x = 14,061,969,240.27 - Step 5: Solve for x
x = 14,061,969,240.27/135,589.41 - Step 6: Final answer
x = 103,709.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.