Finding the Fourth Proportional to 126,292.44, 174,282.66 and 69,703.80
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Solution
The fourth proportional to 126,292.44, 174,282.66 and 69,703.80 is: 96,190.74
Step by Step Solution
- Step 1: Write the proportion equation
126,292.44 : 174,282.66 = 69,703.80 : x - Step 2: Convert to fraction form
126,292.44/174,282.66 = 69,703.80/x - Step 3: Cross multiply
126,292.44x = 174,282.66 × 69,703.80 - Step 4: Simplify right side
126,292.44x = 12,148,163,676.11 - Step 5: Solve for x
x = 12,148,163,676.11/126,292.44 - Step 6: Final answer
x = 96,190.74
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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.