Finding the Fourth Proportional to 134,203.68, 201,349.26 and 67,638.69
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Solution
The fourth proportional to 134,203.68, 201,349.26 and 67,638.69 is: 101,480.08
Step by Step Solution
- Step 1: Write the proportion equation
134,203.68 : 201,349.26 = 67,638.69 : x - Step 2: Convert to fraction form
134,203.68/201,349.26 = 67,638.69/x - Step 3: Cross multiply
134,203.68x = 201,349.26 × 67,638.69 - Step 4: Simplify right side
134,203.68x = 13,619,000,178.87 - Step 5: Solve for x
x = 13,619,000,178.87/134,203.68 - Step 6: Final answer
x = 101,480.08
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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.