Finding the Fourth Proportional to 101,165.42, 151,629.96 and 76,124.98
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Solution
The fourth proportional to 101,165.42, 151,629.96 and 76,124.98 is: 114,098.55
Step by Step Solution
- Step 1: Write the proportion equation
101,165.42 : 151,629.96 = 76,124.98 : x - Step 2: Convert to fraction form
101,165.42/151,629.96 = 76,124.98/x - Step 3: Cross multiply
101,165.42x = 151,629.96 × 76,124.98 - Step 4: Simplify right side
101,165.42x = 11,542,827,672.40 - Step 5: Solve for x
x = 11,542,827,672.40/101,165.42 - Step 6: Final answer
x = 114,098.55
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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.