Finding the Fourth Proportional to 135,161.44, 186,523.20 and 75,545.44
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Solution
The fourth proportional to 135,161.44, 186,523.20 and 75,545.44 is: 104,252.94
Step by Step Solution
- Step 1: Write the proportion equation
135,161.44 : 186,523.20 = 75,545.44 : x - Step 2: Convert to fraction form
135,161.44/186,523.20 = 75,545.44/x - Step 3: Cross multiply
135,161.44x = 186,523.20 × 75,545.44 - Step 4: Simplify right side
135,161.44x = 14,090,977,214.21 - Step 5: Solve for x
x = 14,090,977,214.21/135,161.44 - Step 6: Final answer
x = 104,252.94
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1.5x scale
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.