Finding the Fourth Proportional to 107,373.03, 148,002.44 and 72,906.99
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Solution
The fourth proportional to 107,373.03, 148,002.44 and 72,906.99 is: 100,494.62
Step by Step Solution
- Step 1: Write the proportion equation
107,373.03 : 148,002.44 = 72,906.99 : x - Step 2: Convert to fraction form
107,373.03/148,002.44 = 72,906.99/x - Step 3: Cross multiply
107,373.03x = 148,002.44 × 72,906.99 - Step 4: Simplify right side
107,373.03x = 10,790,412,048.52 - Step 5: Solve for x
x = 10,790,412,048.52/107,373.03 - Step 6: Final answer
x = 100,494.62
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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.