Finding the Fourth Proportional to 156,905.48, 235,225.92 and 68,092.06
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Solution
The fourth proportional to 156,905.48, 235,225.92 and 68,092.06 is: 102,080.68
Step by Step Solution
- Step 1: Write the proportion equation
156,905.48 : 235,225.92 = 68,092.06 : x - Step 2: Convert to fraction form
156,905.48/235,225.92 = 68,092.06/x - Step 3: Cross multiply
156,905.48x = 235,225.92 × 68,092.06 - Step 4: Simplify right side
156,905.48x = 16,017,017,458.20 - Step 5: Solve for x
x = 16,017,017,458.20/156,905.48 - Step 6: Final answer
x = 102,080.68
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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.