Finding the Fourth Proportional to 134,484.66, 185,586.75 and 80,074.80
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Solution
The fourth proportional to 134,484.66, 185,586.75 and 80,074.80 is: 110,501.99
Step by Step Solution
- Step 1: Write the proportion equation
134,484.66 : 185,586.75 = 80,074.80 : x - Step 2: Convert to fraction form
134,484.66/185,586.75 = 80,074.80/x - Step 3: Cross multiply
134,484.66x = 185,586.75 × 80,074.80 - Step 4: Simplify right side
134,484.66x = 14,860,821,888.90 - Step 5: Solve for x
x = 14,860,821,888.90/134,484.66 - Step 6: Final answer
x = 110,501.99
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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.