Finding the Fourth Proportional to 106,688.88, 160,133.74 and 54,136.08
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Solution
The fourth proportional to 106,688.88, 160,133.74 and 54,136.08 is: 81,255.08
Step by Step Solution
- Step 1: Write the proportion equation
106,688.88 : 160,133.74 = 54,136.08 : x - Step 2: Convert to fraction form
106,688.88/160,133.74 = 54,136.08/x - Step 3: Cross multiply
106,688.88x = 160,133.74 × 54,136.08 - Step 4: Simplify right side
106,688.88x = 8,669,012,959.34 - Step 5: Solve for x
x = 8,669,012,959.34/106,688.88 - Step 6: Final answer
x = 81,255.08
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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.