Finding the Fourth Proportional to 107,564.74, 161,325.84 and 102,230.48
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Solution
The fourth proportional to 107,564.74, 161,325.84 and 102,230.48 is: 153,325.50
Step by Step Solution
- Step 1: Write the proportion equation
107,564.74 : 161,325.84 = 102,230.48 : x - Step 2: Convert to fraction form
107,564.74/161,325.84 = 102,230.48/x - Step 3: Cross multiply
107,564.74x = 161,325.84 × 102,230.48 - Step 4: Simplify right side
107,564.74x = 16,492,418,059.60 - Step 5: Solve for x
x = 16,492,418,059.60/107,564.74 - Step 6: Final answer
x = 153,325.50
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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.