Finding the Fourth Proportional to 110,163.12, 165,170.52 and 65,820.84
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Solution
The fourth proportional to 110,163.12, 165,170.52 and 65,820.84 is: 98,686.95
Step by Step Solution
- Step 1: Write the proportion equation
110,163.12 : 165,170.52 = 65,820.84 : x - Step 2: Convert to fraction form
110,163.12/165,170.52 = 65,820.84/x - Step 3: Cross multiply
110,163.12x = 165,170.52 × 65,820.84 - Step 4: Simplify right side
110,163.12x = 10,871,662,369.64 - Step 5: Solve for x
x = 10,871,662,369.64/110,163.12 - Step 6: Final answer
x = 98,686.95
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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.