Finding the Fourth Proportional to 106,810.68, 160,177.73 and 31,916.88
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Solution
The fourth proportional to 106,810.68, 160,177.73 and 31,916.88 is: 47,863.88
Step by Step Solution
- Step 1: Write the proportion equation
106,810.68 : 160,177.73 = 31,916.88 : x - Step 2: Convert to fraction form
106,810.68/160,177.73 = 31,916.88/x - Step 3: Cross multiply
106,810.68x = 160,177.73 × 31,916.88 - Step 4: Simplify right side
106,810.68x = 5,112,373,227.50 - Step 5: Solve for x
x = 5,112,373,227.50/106,810.68 - Step 6: Final answer
x = 47,863.88
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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.