Finding the Fourth Proportional to 145,751.91, 201,187.97 and 85,341.97
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Solution
The fourth proportional to 145,751.91, 201,187.97 and 85,341.97 is: 117,801.39
Step by Step Solution
- Step 1: Write the proportion equation
145,751.91 : 201,187.97 = 85,341.97 : x - Step 2: Convert to fraction form
145,751.91/201,187.97 = 85,341.97/x - Step 3: Cross multiply
145,751.91x = 201,187.97 × 85,341.97 - Step 4: Simplify right side
145,751.91x = 17,169,777,844.91 - Step 5: Solve for x
x = 17,169,777,844.91/145,751.91 - Step 6: Final answer
x = 117,801.39
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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.