Finding the Fourth Proportional to 102,156.44, 140,977.14 and 57,444.44
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Solution
The fourth proportional to 102,156.44, 140,977.14 and 57,444.44 is: 79,274.03
Step by Step Solution
- Step 1: Write the proportion equation
102,156.44 : 140,977.14 = 57,444.44 : x - Step 2: Convert to fraction form
102,156.44/140,977.14 = 57,444.44/x - Step 3: Cross multiply
102,156.44x = 140,977.14 × 57,444.44 - Step 4: Simplify right side
102,156.44x = 8,098,352,860.10 - Step 5: Solve for x
x = 8,098,352,860.10/102,156.44 - Step 6: Final answer
x = 79,274.03
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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.