Finding the Fourth Proportional to 134,059.20, 201,088.80 and 98,629.80
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Solution
The fourth proportional to 134,059.20, 201,088.80 and 98,629.80 is: 147,944.70
Step by Step Solution
- Step 1: Write the proportion equation
134,059.20 : 201,088.80 = 98,629.80 : x - Step 2: Convert to fraction form
134,059.20/201,088.80 = 98,629.80/x - Step 3: Cross multiply
134,059.20x = 201,088.80 × 98,629.80 - Step 4: Simplify right side
134,059.20x = 19,833,348,126.24 - Step 5: Solve for x
x = 19,833,348,126.24/134,059.20 - Step 6: Final answer
x = 147,944.70
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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.