Finding the Fourth Proportional to 110,169.19, 152,079.99 and 74,407.64
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Solution
The fourth proportional to 110,169.19, 152,079.99 and 74,407.64 is: 102,713.95
Step by Step Solution
- Step 1: Write the proportion equation
110,169.19 : 152,079.99 = 74,407.64 : x - Step 2: Convert to fraction form
110,169.19/152,079.99 = 74,407.64/x - Step 3: Cross multiply
110,169.19x = 152,079.99 × 74,407.64 - Step 4: Simplify right side
110,169.19x = 11,315,912,107.70 - Step 5: Solve for x
x = 11,315,912,107.70/110,169.19 - Step 6: Final answer
x = 102,713.95
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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.