Finding the Fourth Proportional to 159,493.96, 220,101.55 and 87,873.99
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Solution
The fourth proportional to 159,493.96, 220,101.55 and 87,873.99 is: 121,266.04
Step by Step Solution
- Step 1: Write the proportion equation
159,493.96 : 220,101.55 = 87,873.99 : x - Step 2: Convert to fraction form
159,493.96/220,101.55 = 87,873.99/x - Step 3: Cross multiply
159,493.96x = 220,101.55 × 87,873.99 - Step 4: Simplify right side
159,493.96x = 19,341,200,358.62 - Step 5: Solve for x
x = 19,341,200,358.62/159,493.96 - Step 6: Final answer
x = 121,266.04
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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.