Finding the Fourth Proportional to 135,696.06, 187,137.96 and 84,713.49
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Solution
The fourth proportional to 135,696.06, 187,137.96 and 84,713.49 is: 116,828.08
Step by Step Solution
- Step 1: Write the proportion equation
135,696.06 : 187,137.96 = 84,713.49 : x - Step 2: Convert to fraction form
135,696.06/187,137.96 = 84,713.49/x - Step 3: Cross multiply
135,696.06x = 187,137.96 × 84,713.49 - Step 4: Simplify right side
135,696.06x = 15,853,109,703.08 - Step 5: Solve for x
x = 15,853,109,703.08/135,696.06 - Step 6: Final answer
x = 116,828.08
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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.