Finding the Fourth Proportional to 126,534.24, 174,617.24 and 69,173.80
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Solution
The fourth proportional to 126,534.24, 174,617.24 and 69,173.80 is: 95,459.84
Step by Step Solution
- Step 1: Write the proportion equation
126,534.24 : 174,617.24 = 69,173.80 : x - Step 2: Convert to fraction form
126,534.24/174,617.24 = 69,173.80/x - Step 3: Cross multiply
126,534.24x = 174,617.24 × 69,173.80 - Step 4: Simplify right side
126,534.24x = 12,078,938,036.31 - Step 5: Solve for x
x = 12,078,938,036.31/126,534.24 - Step 6: Final answer
x = 95,459.84
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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.