Finding the Fourth Proportional to 134,036.61, 199,585.77 and 129,247.08
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Solution
The fourth proportional to 134,036.61, 199,585.77 and 129,247.08 is: 192,453.97
Step by Step Solution
- Step 1: Write the proportion equation
134,036.61 : 199,585.77 = 129,247.08 : x - Step 2: Convert to fraction form
134,036.61/199,585.77 = 129,247.08/x - Step 3: Cross multiply
134,036.61x = 199,585.77 × 129,247.08 - Step 4: Simplify right side
134,036.61x = 25,795,877,982.05 - Step 5: Solve for x
x = 25,795,877,982.05/134,036.61 - Step 6: Final answer
x = 192,453.97
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.