Finding the Fourth Proportional to 147,168.55, 203,093.00 and 83,506.18
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Solution
The fourth proportional to 147,168.55, 203,093.00 and 83,506.18 is: 115,238.75
Step by Step Solution
- Step 1: Write the proportion equation
147,168.55 : 203,093.00 = 83,506.18 : x - Step 2: Convert to fraction form
147,168.55/203,093.00 = 83,506.18/x - Step 3: Cross multiply
147,168.55x = 203,093.00 × 83,506.18 - Step 4: Simplify right side
147,168.55x = 16,959,520,197.21 - Step 5: Solve for x
x = 16,959,520,197.21/147,168.55 - Step 6: Final answer
x = 115,238.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.