Finding the Fourth Proportional to 126,611.76, 189,626.84 and 63,237.36
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Solution
The fourth proportional to 126,611.76, 189,626.84 and 63,237.36 is: 94,710.80
Step by Step Solution
- Step 1: Write the proportion equation
126,611.76 : 189,626.84 = 63,237.36 : x - Step 2: Convert to fraction form
126,611.76/189,626.84 = 63,237.36/x - Step 3: Cross multiply
126,611.76x = 189,626.84 × 63,237.36 - Step 4: Simplify right side
126,611.76x = 11,991,500,746.74 - Step 5: Solve for x
x = 11,991,500,746.74/126,611.76 - Step 6: Final answer
x = 94,710.80
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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.