Finding the Fourth Proportional to 126,175.92, 174,122.82 and 69,590.94
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Solution
The fourth proportional to 126,175.92, 174,122.82 and 69,590.94 is: 96,035.52
Step by Step Solution
- Step 1: Write the proportion equation
126,175.92 : 174,122.82 = 69,590.94 : x - Step 2: Convert to fraction form
126,175.92/174,122.82 = 69,590.94/x - Step 3: Cross multiply
126,175.92x = 174,122.82 × 69,590.94 - Step 4: Simplify right side
126,175.92x = 12,117,370,719.25 - Step 5: Solve for x
x = 12,117,370,719.25/126,175.92 - Step 6: Final answer
x = 96,035.52
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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.