Finding the Fourth Proportional to 102,750.94, 141,797.28 and 60,310.18
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Solution
The fourth proportional to 102,750.94, 141,797.28 and 60,310.18 is: 83,228.63
Step by Step Solution
- Step 1: Write the proportion equation
102,750.94 : 141,797.28 = 60,310.18 : x - Step 2: Convert to fraction form
102,750.94/141,797.28 = 60,310.18/x - Step 3: Cross multiply
102,750.94x = 141,797.28 × 60,310.18 - Step 4: Simplify right side
102,750.94x = 8,551,819,480.31 - Step 5: Solve for x
x = 8,551,819,480.31/102,750.94 - Step 6: Final answer
x = 83,228.63
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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.