Finding the Fourth Proportional to 119,747.99, 165,234.20 and 68,762.95
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Solution
The fourth proportional to 119,747.99, 165,234.20 and 68,762.95 is: 94,882.51
Step by Step Solution
- Step 1: Write the proportion equation
119,747.99 : 165,234.20 = 68,762.95 : x - Step 2: Convert to fraction form
119,747.99/165,234.20 = 68,762.95/x - Step 3: Cross multiply
119,747.99x = 165,234.20 × 68,762.95 - Step 4: Simplify right side
119,747.99x = 11,361,990,275.99 - Step 5: Solve for x
x = 11,361,990,275.99/119,747.99 - Step 6: Final answer
x = 94,882.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.