Finding the Fourth Proportional to 134,611.60, 201,868.80 and 68,029.60
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Solution
The fourth proportional to 134,611.60, 201,868.80 and 68,029.60 is: 102,019.84
Step by Step Solution
- Step 1: Write the proportion equation
134,611.60 : 201,868.80 = 68,029.60 : x - Step 2: Convert to fraction form
134,611.60/201,868.80 = 68,029.60/x - Step 3: Cross multiply
134,611.60x = 201,868.80 × 68,029.60 - Step 4: Simplify right side
134,611.60x = 13,733,053,716.48 - Step 5: Solve for x
x = 13,733,053,716.48/134,611.60 - Step 6: Final answer
x = 102,019.84
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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.