Finding the Fourth Proportional to 108,518.74, 162,958.74 and 73,207.33
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Solution
The fourth proportional to 108,518.74, 162,958.74 and 73,207.33 is: 109,932.85
Step by Step Solution
- Step 1: Write the proportion equation
108,518.74 : 162,958.74 = 73,207.33 : x - Step 2: Convert to fraction form
108,518.74/162,958.74 = 73,207.33/x - Step 3: Cross multiply
108,518.74x = 162,958.74 × 73,207.33 - Step 4: Simplify right side
108,518.74x = 11,929,773,573.64 - Step 5: Solve for x
x = 11,929,773,573.64/108,518.74 - Step 6: Final answer
x = 109,932.85
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1.5x scale
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.