Finding the Fourth Proportional to 136,048.44, 187,746.66 and 75,624.71
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Solution
The fourth proportional to 136,048.44, 187,746.66 and 75,624.71 is: 104,361.99
Step by Step Solution
- Step 1: Write the proportion equation
136,048.44 : 187,746.66 = 75,624.71 : x - Step 2: Convert to fraction form
136,048.44/187,746.66 = 75,624.71/x - Step 3: Cross multiply
136,048.44x = 187,746.66 × 75,624.71 - Step 4: Simplify right side
136,048.44x = 14,198,285,777.24 - Step 5: Solve for x
x = 14,198,285,777.24/136,048.44 - Step 6: Final answer
x = 104,361.99
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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.