Finding the Fourth Proportional to 126,810.26, 174,998.16 and 70,221.63
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Solution
The fourth proportional to 126,810.26, 174,998.16 and 70,221.63 is: 96,905.85
Step by Step Solution
- Step 1: Write the proportion equation
126,810.26 : 174,998.16 = 70,221.63 : x - Step 2: Convert to fraction form
126,810.26/174,998.16 = 70,221.63/x - Step 3: Cross multiply
126,810.26x = 174,998.16 × 70,221.63 - Step 4: Simplify right side
126,810.26x = 12,288,655,691.09 - Step 5: Solve for x
x = 12,288,655,691.09/126,810.26 - Step 6: Final answer
x = 96,905.85
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1.5x scale
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.