Finding the Fourth Proportional to 110,212.07, 152,095.79 and 67,194.05
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Solution
The fourth proportional to 110,212.07, 152,095.79 and 67,194.05 is: 92,729.70
Step by Step Solution
- Step 1: Write the proportion equation
110,212.07 : 152,095.79 = 67,194.05 : x - Step 2: Convert to fraction form
110,212.07/152,095.79 = 67,194.05/x - Step 3: Cross multiply
110,212.07x = 152,095.79 × 67,194.05 - Step 4: Simplify right side
110,212.07x = 10,219,931,525.56 - Step 5: Solve for x
x = 10,219,931,525.56/110,212.07 - Step 6: Final answer
x = 92,729.70
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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.