Finding the Fourth Proportional to 120,148.68, 180,250.36 and 63,959.18
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Solution
The fourth proportional to 120,148.68, 180,250.36 and 63,959.18 is: 95,953.33
Step by Step Solution
- Step 1: Write the proportion equation
120,148.68 : 180,250.36 = 63,959.18 : x - Step 2: Convert to fraction form
120,148.68/180,250.36 = 63,959.18/x - Step 3: Cross multiply
120,148.68x = 180,250.36 × 63,959.18 - Step 4: Simplify right side
120,148.68x = 11,528,665,381.57 - Step 5: Solve for x
x = 11,528,665,381.57/120,148.68 - Step 6: Final answer
x = 95,953.33
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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.