Finding the Fourth Proportional to 134,664.20, 201,996.30 and 45,909.80
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Solution
The fourth proportional to 134,664.20, 201,996.30 and 45,909.80 is: 68,864.70
Step by Step Solution
- Step 1: Write the proportion equation
134,664.20 : 201,996.30 = 45,909.80 : x - Step 2: Convert to fraction form
134,664.20/201,996.30 = 45,909.80/x - Step 3: Cross multiply
134,664.20x = 201,996.30 × 45,909.80 - Step 4: Simplify right side
134,664.20x = 9,273,609,733.74 - Step 5: Solve for x
x = 9,273,609,733.74/134,664.20 - Step 6: Final answer
x = 68,864.70
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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.