Finding the Fourth Proportional to 101,313.87, 151,926.18 and 53,917.53
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Solution
The fourth proportional to 101,313.87, 151,926.18 and 53,917.53 is: 80,852.55
Step by Step Solution
- Step 1: Write the proportion equation
101,313.87 : 151,926.18 = 53,917.53 : x - Step 2: Convert to fraction form
101,313.87/151,926.18 = 53,917.53/x - Step 3: Cross multiply
101,313.87x = 151,926.18 × 53,917.53 - Step 4: Simplify right side
101,313.87x = 8,191,484,367.94 - Step 5: Solve for x
x = 8,191,484,367.94/101,313.87 - Step 6: Final answer
x = 80,852.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.