Finding the Fourth Proportional to 126,528.68, 174,602.76 and 69,936.68
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Solution
The fourth proportional to 126,528.68, 174,602.76 and 69,936.68 is: 96,508.85
Step by Step Solution
- Step 1: Write the proportion equation
126,528.68 : 174,602.76 = 69,936.68 : x - Step 2: Convert to fraction form
126,528.68/174,602.76 = 69,936.68/x - Step 3: Cross multiply
126,528.68x = 174,602.76 × 69,936.68 - Step 4: Simplify right side
126,528.68x = 12,211,137,353.24 - Step 5: Solve for x
x = 12,211,137,353.24/126,528.68 - Step 6: Final answer
x = 96,508.85
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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.