Finding the Fourth Proportional to 148,524.13, 204,976.26 and 81,469.09
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Solution
The fourth proportional to 148,524.13, 204,976.26 and 81,469.09 is: 112,434.45
Step by Step Solution
- Step 1: Write the proportion equation
148,524.13 : 204,976.26 = 81,469.09 : x - Step 2: Convert to fraction form
148,524.13/204,976.26 = 81,469.09/x - Step 3: Cross multiply
148,524.13x = 204,976.26 × 81,469.09 - Step 4: Simplify right side
148,524.13x = 16,699,227,941.58 - Step 5: Solve for x
x = 16,699,227,941.58/148,524.13 - Step 6: Final answer
x = 112,434.45
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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.