Finding the Fourth Proportional to 145,768.56, 201,145.86 and 107,549.04
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Solution
The fourth proportional to 145,768.56, 201,145.86 and 107,549.04 is: 148,406.79
Step by Step Solution
- Step 1: Write the proportion equation
145,768.56 : 201,145.86 = 107,549.04 : x - Step 2: Convert to fraction form
145,768.56/201,145.86 = 107,549.04/x - Step 3: Cross multiply
145,768.56x = 201,145.86 × 107,549.04 - Step 4: Simplify right side
145,768.56x = 21,633,044,142.97 - Step 5: Solve for x
x = 21,633,044,142.97/145,768.56 - Step 6: Final answer
x = 148,406.79
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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.