Finding the Fourth Proportional to 135,203.76, 202,611.88 and 75,914.87
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Solution
The fourth proportional to 135,203.76, 202,611.88 and 75,914.87 is: 113,763.52
Step by Step Solution
- Step 1: Write the proportion equation
135,203.76 : 202,611.88 = 75,914.87 : x - Step 2: Convert to fraction form
135,203.76/202,611.88 = 75,914.87/x - Step 3: Cross multiply
135,203.76x = 202,611.88 × 75,914.87 - Step 4: Simplify right side
135,203.76x = 15,381,254,752.18 - Step 5: Solve for x
x = 15,381,254,752.18/135,203.76 - Step 6: Final answer
x = 113,763.52
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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.