Finding the Fourth Proportional to 162,872.04, 224,772.64 and 91,275.12
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Solution
The fourth proportional to 162,872.04, 224,772.64 and 91,275.12 is: 125,964.84
Step by Step Solution
- Step 1: Write the proportion equation
162,872.04 : 224,772.64 = 91,275.12 : x - Step 2: Convert to fraction form
162,872.04/224,772.64 = 91,275.12/x - Step 3: Cross multiply
162,872.04x = 224,772.64 × 91,275.12 - Step 4: Simplify right side
162,872.04x = 20,516,149,688.72 - Step 5: Solve for x
x = 20,516,149,688.72/162,872.04 - Step 6: Final answer
x = 125,964.84
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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.