Finding the Fourth Proportional to 126,674.52, 174,808.14 and 69,313.62
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Solution
The fourth proportional to 126,674.52, 174,808.14 and 69,313.62 is: 95,651.32
Step by Step Solution
- Step 1: Write the proportion equation
126,674.52 : 174,808.14 = 69,313.62 : x - Step 2: Convert to fraction form
126,674.52/174,808.14 = 69,313.62/x - Step 3: Cross multiply
126,674.52x = 174,808.14 × 69,313.62 - Step 4: Simplify right side
126,674.52x = 12,116,584,988.87 - Step 5: Solve for x
x = 12,116,584,988.87/126,674.52 - Step 6: Final answer
x = 95,651.32
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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.