Finding the Fourth Proportional to 156,885.18, 235,195.47 and 68,071.92
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Solution
The fourth proportional to 156,885.18, 235,195.47 and 68,071.92 is: 102,050.48
Step by Step Solution
- Step 1: Write the proportion equation
156,885.18 : 235,195.47 = 68,071.92 : x - Step 2: Convert to fraction form
156,885.18/235,195.47 = 68,071.92/x - Step 3: Cross multiply
156,885.18x = 235,195.47 × 68,071.92 - Step 4: Simplify right side
156,885.18x = 16,010,207,218.20 - Step 5: Solve for x
x = 16,010,207,218.20/156,885.18 - Step 6: Final answer
x = 102,050.48
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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.