Finding the Fourth Proportional to 126,292.46, 189,169.34 and 102,173.27
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Solution
The fourth proportional to 126,292.46, 189,169.34 and 102,173.27 is: 153,041.99
Step by Step Solution
- Step 1: Write the proportion equation
126,292.46 : 189,169.34 = 102,173.27 : x - Step 2: Convert to fraction form
126,292.46/189,169.34 = 102,173.27/x - Step 3: Cross multiply
126,292.46x = 189,169.34 × 102,173.27 - Step 4: Simplify right side
126,292.46x = 19,328,048,594.83 - Step 5: Solve for x
x = 19,328,048,594.83/126,292.46 - Step 6: Final answer
x = 153,041.99
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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.