Finding the Fourth Proportional to 126,303.69, 174,299.11 and 69,715.08
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Solution
The fourth proportional to 126,303.69, 174,299.11 and 69,715.08 is: 96,206.82
Step by Step Solution
- Step 1: Write the proportion equation
126,303.69 : 174,299.11 = 69,715.08 : x - Step 2: Convert to fraction form
126,303.69/174,299.11 = 69,715.08/x - Step 3: Cross multiply
126,303.69x = 174,299.11 × 69,715.08 - Step 4: Simplify right side
126,303.69x = 12,151,275,613.26 - Step 5: Solve for x
x = 12,151,275,613.26/126,303.69 - Step 6: Final answer
x = 96,206.82
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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.