Finding the Fourth Proportional to 133,519.08, 184,197.70 and 79,777.20
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Solution
The fourth proportional to 133,519.08, 184,197.70 and 79,777.20 is: 110,057.50
Step by Step Solution
- Step 1: Write the proportion equation
133,519.08 : 184,197.70 = 79,777.20 : x - Step 2: Convert to fraction form
133,519.08/184,197.70 = 79,777.20/x - Step 3: Cross multiply
133,519.08x = 184,197.70 × 79,777.20 - Step 4: Simplify right side
133,519.08x = 14,694,776,752.44 - Step 5: Solve for x
x = 14,694,776,752.44/133,519.08 - Step 6: Final answer
x = 110,057.50
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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.