Finding the Fourth Proportional to 134,768.60, 201,764.10 and 120,771.80
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Solution
The fourth proportional to 134,768.60, 201,764.10 and 120,771.80 is: 180,809.28
Step by Step Solution
- Step 1: Write the proportion equation
134,768.60 : 201,764.10 = 120,771.80 : x - Step 2: Convert to fraction form
134,768.60/201,764.10 = 120,771.80/x - Step 3: Cross multiply
134,768.60x = 201,764.10 × 120,771.80 - Step 4: Simplify right side
134,768.60x = 24,367,413,532.38 - Step 5: Solve for x
x = 24,367,413,532.38/134,768.60 - Step 6: Final answer
x = 180,809.28
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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.