Finding the Fourth Proportional to 126,863.08, 175,070.67 and 73,147.63
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Solution
The fourth proportional to 126,863.08, 175,070.67 and 73,147.63 is: 100,943.51
Step by Step Solution
- Step 1: Write the proportion equation
126,863.08 : 175,070.67 = 73,147.63 : x - Step 2: Convert to fraction form
126,863.08/175,070.67 = 73,147.63/x - Step 3: Cross multiply
126,863.08x = 175,070.67 × 73,147.63 - Step 4: Simplify right side
126,863.08x = 12,806,004,593.01 - Step 5: Solve for x
x = 12,806,004,593.01/126,863.08 - Step 6: Final answer
x = 100,943.51
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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.