Finding the Fourth Proportional to 134,748.60, 202,122.90 and 64,591.80
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Solution
The fourth proportional to 134,748.60, 202,122.90 and 64,591.80 is: 96,887.70
Step by Step Solution
- Step 1: Write the proportion equation
134,748.60 : 202,122.90 = 64,591.80 : x - Step 2: Convert to fraction form
134,748.60/202,122.90 = 64,591.80/x - Step 3: Cross multiply
134,748.60x = 202,122.90 × 64,591.80 - Step 4: Simplify right side
134,748.60x = 13,055,481,932.22 - Step 5: Solve for x
x = 13,055,481,932.22/134,748.60 - Step 6: Final answer
x = 96,887.70
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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.