Finding the Fourth Proportional to 136,473.34, 188,339.00 and 76,044.03
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Solution
The fourth proportional to 136,473.34, 188,339.00 and 76,044.03 is: 104,943.99
Step by Step Solution
- Step 1: Write the proportion equation
136,473.34 : 188,339.00 = 76,044.03 : x - Step 2: Convert to fraction form
136,473.34/188,339.00 = 76,044.03/x - Step 3: Cross multiply
136,473.34x = 188,339.00 × 76,044.03 - Step 4: Simplify right side
136,473.34x = 14,322,056,752.96 - Step 5: Solve for x
x = 14,322,056,752.96/136,473.34 - Step 6: Final answer
x = 104,943.99
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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.