Finding the Fourth Proportional to 127,157.48, 175,509.18 and 73,473.68
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Solution
The fourth proportional to 127,157.48, 175,509.18 and 73,473.68 is: 101,412.09
Step by Step Solution
- Step 1: Write the proportion equation
127,157.48 : 175,509.18 = 73,473.68 : x - Step 2: Convert to fraction form
127,157.48/175,509.18 = 73,473.68/x - Step 3: Cross multiply
127,157.48x = 175,509.18 × 73,473.68 - Step 4: Simplify right side
127,157.48x = 12,895,305,328.38 - Step 5: Solve for x
x = 12,895,305,328.38/127,157.48 - Step 6: Final answer
x = 101,412.09
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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.