Finding the Fourth Proportional to 126,160.71, 189,271.46 and 47,275.62
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Solution
The fourth proportional to 126,160.71, 189,271.46 and 47,275.62 is: 70,924.82
Step by Step Solution
- Step 1: Write the proportion equation
126,160.71 : 189,271.46 = 47,275.62 : x - Step 2: Convert to fraction form
126,160.71/189,271.46 = 47,275.62/x - Step 3: Cross multiply
126,160.71x = 189,271.46 × 47,275.62 - Step 4: Simplify right side
126,160.71x = 8,947,925,619.81 - Step 5: Solve for x
x = 8,947,925,619.81/126,160.71 - Step 6: Final answer
x = 70,924.82
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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.