Finding the Fourth Proportional to 135,663.36, 187,234.56 and 75,247.44
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Solution
The fourth proportional to 135,663.36, 187,234.56 and 75,247.44 is: 103,852.07
Step by Step Solution
- Step 1: Write the proportion equation
135,663.36 : 187,234.56 = 75,247.44 : x - Step 2: Convert to fraction form
135,663.36/187,234.56 = 75,247.44/x - Step 3: Cross multiply
135,663.36x = 187,234.56 × 75,247.44 - Step 4: Simplify right side
135,663.36x = 14,088,921,319.53 - Step 5: Solve for x
x = 14,088,921,319.53/135,663.36 - Step 6: Final answer
x = 103,852.07
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1.5x scale
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.