Finding the Fourth Proportional to 126,101.68, 174,020.70 and 69,511.84
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Solution
The fourth proportional to 126,101.68, 174,020.70 and 69,511.84 is: 95,926.55
Step by Step Solution
- Step 1: Write the proportion equation
126,101.68 : 174,020.70 = 69,511.84 : x - Step 2: Convert to fraction form
126,101.68/174,020.70 = 69,511.84/x - Step 3: Cross multiply
126,101.68x = 174,020.70 × 69,511.84 - Step 4: Simplify right side
126,101.68x = 12,096,499,055.09 - Step 5: Solve for x
x = 12,096,499,055.09/126,101.68 - Step 6: Final answer
x = 95,926.55
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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.