Finding the Fourth Proportional to 156,920.76, 235,248.38 and 68,107.08
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Solution
The fourth proportional to 156,920.76, 235,248.38 and 68,107.08 is: 102,103.00
Step by Step Solution
- Step 1: Write the proportion equation
156,920.76 : 235,248.38 = 68,107.08 : x - Step 2: Convert to fraction form
156,920.76/235,248.38 = 68,107.08/x - Step 3: Cross multiply
156,920.76x = 235,248.38 × 68,107.08 - Step 4: Simplify right side
156,920.76x = 16,022,080,236.53 - Step 5: Solve for x
x = 16,022,080,236.53/156,920.76 - Step 6: Final answer
x = 102,103.00
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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.