Finding the Fourth Proportional to 119,042.87, 164,267.19 and 71,294.99
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Solution
The fourth proportional to 119,042.87, 164,267.19 and 71,294.99 is: 98,379.91
Step by Step Solution
- Step 1: Write the proportion equation
119,042.87 : 164,267.19 = 71,294.99 : x - Step 2: Convert to fraction form
119,042.87/164,267.19 = 71,294.99/x - Step 3: Cross multiply
119,042.87x = 164,267.19 × 71,294.99 - Step 4: Simplify right side
119,042.87x = 11,711,426,847.04 - Step 5: Solve for x
x = 11,711,426,847.04/119,042.87 - Step 6: Final answer
x = 98,379.91
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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.