Finding the Fourth Proportional to 134,760.60, 201,752.10 and 120,763.80
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Solution
The fourth proportional to 134,760.60, 201,752.10 and 120,763.80 is: 180,797.28
Step by Step Solution
- Step 1: Write the proportion equation
134,760.60 : 201,752.10 = 120,763.80 : x - Step 2: Convert to fraction form
134,760.60/201,752.10 = 120,763.80/x - Step 3: Cross multiply
134,760.60x = 201,752.10 × 120,763.80 - Step 4: Simplify right side
134,760.60x = 24,364,350,253.98 - Step 5: Solve for x
x = 24,364,350,253.98/134,760.60 - Step 6: Final answer
x = 180,797.28
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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.