Finding the Fourth Proportional to 130,173.04, 179,676.99 and 75,738.02
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Solution
The fourth proportional to 130,173.04, 179,676.99 and 75,738.02 is: 104,540.68
Step by Step Solution
- Step 1: Write the proportion equation
130,173.04 : 179,676.99 = 75,738.02 : x - Step 2: Convert to fraction form
130,173.04/179,676.99 = 75,738.02/x - Step 3: Cross multiply
130,173.04x = 179,676.99 × 75,738.02 - Step 4: Simplify right side
130,173.04x = 13,608,378,374.43 - Step 5: Solve for x
x = 13,608,378,374.43/130,173.04 - Step 6: Final answer
x = 104,540.68
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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.