Finding the Fourth Proportional to 119,195.68, 178,521.36 and 56,909.92
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Solution
The fourth proportional to 119,195.68, 178,521.36 and 56,909.92 is: 85,234.94
Step by Step Solution
- Step 1: Write the proportion equation
119,195.68 : 178,521.36 = 56,909.92 : x - Step 2: Convert to fraction form
119,195.68/178,521.36 = 56,909.92/x - Step 3: Cross multiply
119,195.68x = 178,521.36 × 56,909.92 - Step 4: Simplify right side
119,195.68x = 10,159,636,315.89 - Step 5: Solve for x
x = 10,159,636,315.89/119,195.68 - Step 6: Final answer
x = 85,234.94
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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.