Finding the Fourth Proportional to 134,166.63, 201,286.24 and 45,420.14
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Solution
The fourth proportional to 134,166.63, 201,286.24 and 45,420.14 is: 68,142.50
Step by Step Solution
- Step 1: Write the proportion equation
134,166.63 : 201,286.24 = 45,420.14 : x - Step 2: Convert to fraction form
134,166.63/201,286.24 = 45,420.14/x - Step 3: Cross multiply
134,166.63x = 201,286.24 × 45,420.14 - Step 4: Simplify right side
134,166.63x = 9,142,448,973.77 - Step 5: Solve for x
x = 9,142,448,973.77/134,166.63 - Step 6: Final answer
x = 68,142.50
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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.