Finding the Fourth Proportional to 126,221.76, 174,186.60 and 69,633.12
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Solution
The fourth proportional to 126,221.76, 174,186.60 and 69,633.12 is: 96,094.02
Step by Step Solution
- Step 1: Write the proportion equation
126,221.76 : 174,186.60 = 69,633.12 : x - Step 2: Convert to fraction form
126,221.76/174,186.60 = 69,633.12/x - Step 3: Cross multiply
126,221.76x = 174,186.60 × 69,633.12 - Step 4: Simplify right side
126,221.76x = 12,129,156,420.19 - Step 5: Solve for x
x = 12,129,156,420.19/126,221.76 - Step 6: Final answer
x = 96,094.02
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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.