Finding the Fourth Proportional to 107,440.48, 148,272.08 and 73,520.12
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Solution
The fourth proportional to 107,440.48, 148,272.08 and 73,520.12 is: 101,460.65
Step by Step Solution
- Step 1: Write the proportion equation
107,440.48 : 148,272.08 = 73,520.12 : x - Step 2: Convert to fraction form
107,440.48/148,272.08 = 73,520.12/x - Step 3: Cross multiply
107,440.48x = 148,272.08 × 73,520.12 - Step 4: Simplify right side
107,440.48x = 10,900,981,114.25 - Step 5: Solve for x
x = 10,900,981,114.25/107,440.48 - Step 6: Final answer
x = 101,460.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.