Finding the Fourth Proportional to 134,812.60, 202,121.70 and 88,091.80
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Solution
The fourth proportional to 134,812.60, 202,121.70 and 88,091.80 is: 132,074.19
Step by Step Solution
- Step 1: Write the proportion equation
134,812.60 : 202,121.70 = 88,091.80 : x - Step 2: Convert to fraction form
134,812.60/202,121.70 = 88,091.80/x - Step 3: Cross multiply
134,812.60x = 202,121.70 × 88,091.80 - Step 4: Simplify right side
134,812.60x = 17,805,264,372.06 - Step 5: Solve for x
x = 17,805,264,372.06/134,812.60 - Step 6: Final answer
x = 132,074.19
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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.