Finding the Fourth Proportional to 120,125.62, 180,192.99 and 35,886.94
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Solution
The fourth proportional to 120,125.62, 180,192.99 and 35,886.94 is: 53,831.77
Step by Step Solution
- Step 1: Write the proportion equation
120,125.62 : 180,192.99 = 35,886.94 : x - Step 2: Convert to fraction form
120,125.62/180,192.99 = 35,886.94/x - Step 3: Cross multiply
120,125.62x = 180,192.99 × 35,886.94 - Step 4: Simplify right side
120,125.62x = 6,466,575,020.55 - Step 5: Solve for x
x = 6,466,575,020.55/120,125.62 - Step 6: Final answer
x = 53,831.77
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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.