Finding the Fourth Proportional to 134,182.28, 185,172.99 and 72,928.49
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Solution
The fourth proportional to 134,182.28, 185,172.99 and 72,928.49 is: 100,642.09
Step by Step Solution
- Step 1: Write the proportion equation
134,182.28 : 185,172.99 = 72,928.49 : x - Step 2: Convert to fraction form
134,182.28/185,172.99 = 72,928.49/x - Step 3: Cross multiply
134,182.28x = 185,172.99 × 72,928.49 - Step 4: Simplify right side
134,182.28x = 13,504,385,350.14 - Step 5: Solve for x
x = 13,504,385,350.14/134,182.28 - Step 6: Final answer
x = 100,642.09
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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.