Finding the Fourth Proportional to 156,867.24, 235,168.68 and 68,053.92
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Solution
The fourth proportional to 156,867.24, 235,168.68 and 68,053.92 is: 102,023.54
Step by Step Solution
- Step 1: Write the proportion equation
156,867.24 : 235,168.68 = 68,053.92 : x - Step 2: Convert to fraction form
156,867.24/235,168.68 = 68,053.92/x - Step 3: Cross multiply
156,867.24x = 235,168.68 × 68,053.92 - Step 4: Simplify right side
156,867.24x = 16,004,150,535.23 - Step 5: Solve for x
x = 16,004,150,535.23/156,867.24 - Step 6: Final answer
x = 102,023.54
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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.