Finding the Fourth Proportional to 120,173.41, 180,102.43 and 88,434.91
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Solution
The fourth proportional to 120,173.41, 180,102.43 and 88,434.91 is: 132,536.32
Step by Step Solution
- Step 1: Write the proportion equation
120,173.41 : 180,102.43 = 88,434.91 : x - Step 2: Convert to fraction form
120,173.41/180,102.43 = 88,434.91/x - Step 3: Cross multiply
120,173.41x = 180,102.43 × 88,434.91 - Step 4: Simplify right side
120,173.41x = 15,927,340,845.14 - Step 5: Solve for x
x = 15,927,340,845.14/120,173.41 - Step 6: Final answer
x = 132,536.32
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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.