Finding the Fourth Proportional to 126,021.44, 173,910.12 and 69,432.82
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Solution
The fourth proportional to 126,021.44, 173,910.12 and 69,432.82 is: 95,817.59
Step by Step Solution
- Step 1: Write the proportion equation
126,021.44 : 173,910.12 = 69,432.82 : x - Step 2: Convert to fraction form
126,021.44/173,910.12 = 69,432.82/x - Step 3: Cross multiply
126,021.44x = 173,910.12 × 69,432.82 - Step 4: Simplify right side
126,021.44x = 12,075,070,058.14 - Step 5: Solve for x
x = 12,075,070,058.14/126,021.44 - Step 6: Final answer
x = 95,817.59
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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.