Finding the Fourth Proportional to 134,415.36, 201,506.40 and 67,799.88
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Solution
The fourth proportional to 134,415.36, 201,506.40 and 67,799.88 is: 101,640.99
Step by Step Solution
- Step 1: Write the proportion equation
134,415.36 : 201,506.40 = 67,799.88 : x - Step 2: Convert to fraction form
134,415.36/201,506.40 = 67,799.88/x - Step 3: Cross multiply
134,415.36x = 201,506.40 × 67,799.88 - Step 4: Simplify right side
134,415.36x = 13,662,109,739.23 - Step 5: Solve for x
x = 13,662,109,739.23/134,415.36 - Step 6: Final answer
x = 101,640.99
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1.5x scale
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.