Finding the Fourth Proportional to 156,805.64, 234,627.19 and 93,660.12
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Solution
The fourth proportional to 156,805.64, 234,627.19 and 93,660.12 is: 140,142.99
Step by Step Solution
- Step 1: Write the proportion equation
156,805.64 : 234,627.19 = 93,660.12 : x - Step 2: Convert to fraction form
156,805.64/234,627.19 = 93,660.12/x - Step 3: Cross multiply
156,805.64x = 234,627.19 × 93,660.12 - Step 4: Simplify right side
156,805.64x = 21,975,210,770.66 - Step 5: Solve for x
x = 21,975,210,770.66/156,805.64 - Step 6: Final answer
x = 140,142.99
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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.