Finding the Fourth Proportional to 110,187.21, 165,277.77 and 74,081.05
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Solution
The fourth proportional to 110,187.21, 165,277.77 and 74,081.05 is: 111,119.53
Step by Step Solution
- Step 1: Write the proportion equation
110,187.21 : 165,277.77 = 74,081.05 : x - Step 2: Convert to fraction form
110,187.21/165,277.77 = 74,081.05/x - Step 3: Cross multiply
110,187.21x = 165,277.77 × 74,081.05 - Step 4: Simplify right side
110,187.21x = 12,243,950,743.26 - Step 5: Solve for x
x = 12,243,950,743.26/110,187.21 - Step 6: Final answer
x = 111,119.53
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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.