Finding the Fourth Proportional to 126,291.22, 174,269.48 and 69,698.95
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Solution
The fourth proportional to 126,291.22, 174,269.48 and 69,698.95 is: 96,177.70
Step by Step Solution
- Step 1: Write the proportion equation
126,291.22 : 174,269.48 = 69,698.95 : x - Step 2: Convert to fraction form
126,291.22/174,269.48 = 69,698.95/x - Step 3: Cross multiply
126,291.22x = 174,269.48 × 69,698.95 - Step 4: Simplify right side
126,291.22x = 12,146,398,988.88 - Step 5: Solve for x
x = 12,146,398,988.88/126,291.22 - Step 6: Final answer
x = 96,177.70
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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.