Finding the Fourth Proportional to 120,916.47, 181,374.42 and 32,169.99
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Solution
The fourth proportional to 120,916.47, 181,374.42 and 32,169.99 is: 48,254.91
Step by Step Solution
- Step 1: Write the proportion equation
120,916.47 : 181,374.42 = 32,169.99 : x - Step 2: Convert to fraction form
120,916.47/181,374.42 = 32,169.99/x - Step 3: Cross multiply
120,916.47x = 181,374.42 × 32,169.99 - Step 4: Simplify right side
120,916.47x = 5,834,813,277.66 - Step 5: Solve for x
x = 5,834,813,277.66/120,916.47 - Step 6: Final answer
x = 48,254.91
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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.