Finding the Fourth Proportional to 134,058.96, 201,173.19 and 74,933.42
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Solution
The fourth proportional to 134,058.96, 201,173.19 and 74,933.42 is: 112,447.49
Step by Step Solution
- Step 1: Write the proportion equation
134,058.96 : 201,173.19 = 74,933.42 : x - Step 2: Convert to fraction form
134,058.96/201,173.19 = 74,933.42/x - Step 3: Cross multiply
134,058.96x = 201,173.19 × 74,933.42 - Step 4: Simplify right side
134,058.96x = 15,074,593,852.14 - Step 5: Solve for x
x = 15,074,593,852.14/134,058.96 - Step 6: Final answer
x = 112,447.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.