Finding the Fourth Proportional to 112,023.11, 154,624.49 and 73,266.44
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Solution
The fourth proportional to 112,023.11, 154,624.49 and 73,266.44 is: 101,129.00
Step by Step Solution
- Step 1: Write the proportion equation
112,023.11 : 154,624.49 = 73,266.44 : x - Step 2: Convert to fraction form
112,023.11/154,624.49 = 73,266.44/x - Step 3: Cross multiply
112,023.11x = 154,624.49 × 73,266.44 - Step 4: Simplify right side
112,023.11x = 11,328,784,779.66 - Step 5: Solve for x
x = 11,328,784,779.66/112,023.11 - Step 6: Final answer
x = 101,129.00
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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.