Finding the Fourth Proportional to 162,724.13, 224,582.84 and 91,108.76
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Solution
The fourth proportional to 162,724.13, 224,582.84 and 91,108.76 is: 125,743.26
Step by Step Solution
- Step 1: Write the proportion equation
162,724.13 : 224,582.84 = 91,108.76 : x - Step 2: Convert to fraction form
162,724.13/224,582.84 = 91,108.76/x - Step 3: Cross multiply
162,724.13x = 224,582.84 × 91,108.76 - Step 4: Simplify right side
162,724.13x = 20,461,462,491.22 - Step 5: Solve for x
x = 20,461,462,491.22/162,724.13 - Step 6: Final answer
x = 125,743.26
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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.