Finding the Fourth Proportional to 126,620.87, 174,737.95 and 69,259.05
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Solution
The fourth proportional to 126,620.87, 174,737.95 and 69,259.05 is: 95,578.12
Step by Step Solution
- Step 1: Write the proportion equation
126,620.87 : 174,737.95 = 69,259.05 : x - Step 2: Convert to fraction form
126,620.87/174,737.95 = 69,259.05/x - Step 3: Cross multiply
126,620.87x = 174,737.95 × 69,259.05 - Step 4: Simplify right side
126,620.87x = 12,102,184,242.80 - Step 5: Solve for x
x = 12,102,184,242.80/126,620.87 - Step 6: Final answer
x = 95,578.12
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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.