Finding the Fourth Proportional to 156,934.44, 235,376.82 and 68,164.14
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Solution
The fourth proportional to 156,934.44, 235,376.82 and 68,164.14 is: 102,235.42
Step by Step Solution
- Step 1: Write the proportion equation
156,934.44 : 235,376.82 = 68,164.14 : x - Step 2: Convert to fraction form
156,934.44/235,376.82 = 68,164.14/x - Step 3: Cross multiply
156,934.44x = 235,376.82 × 68,164.14 - Step 4: Simplify right side
156,934.44x = 16,044,258,511.23 - Step 5: Solve for x
x = 16,044,258,511.23/156,934.44 - Step 6: Final answer
x = 102,235.42
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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.