Finding the Fourth Proportional to 107,615.90, 161,201.50 and 63,108.62
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Solution
The fourth proportional to 107,615.90, 161,201.50 and 63,108.62 is: 94,532.54
Step by Step Solution
- Step 1: Write the proportion equation
107,615.90 : 161,201.50 = 63,108.62 : x - Step 2: Convert to fraction form
107,615.90/161,201.50 = 63,108.62/x - Step 3: Cross multiply
107,615.90x = 161,201.50 × 63,108.62 - Step 4: Simplify right side
107,615.90x = 10,173,204,206.93 - Step 5: Solve for x
x = 10,173,204,206.93/107,615.90 - Step 6: Final answer
x = 94,532.54
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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.