Finding the Fourth Proportional to 147,241.68, 202,950.90 and 104,165.52
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Solution
The fourth proportional to 147,241.68, 202,950.90 and 104,165.52 is: 143,576.78
Step by Step Solution
- Step 1: Write the proportion equation
147,241.68 : 202,950.90 = 104,165.52 : x - Step 2: Convert to fraction form
147,241.68/202,950.90 = 104,165.52/x - Step 3: Cross multiply
147,241.68x = 202,950.90 × 104,165.52 - Step 4: Simplify right side
147,241.68x = 21,140,486,032.97 - Step 5: Solve for x
x = 21,140,486,032.97/147,241.68 - Step 6: Final answer
x = 143,576.78
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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.