Finding the Fourth Proportional to 108,582.24, 149,916.74 and 67,808.67
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Solution
The fourth proportional to 108,582.24, 149,916.74 and 67,808.67 is: 93,621.70
Step by Step Solution
- Step 1: Write the proportion equation
108,582.24 : 149,916.74 = 67,808.67 : x - Step 2: Convert to fraction form
108,582.24/149,916.74 = 67,808.67/x - Step 3: Cross multiply
108,582.24x = 149,916.74 × 67,808.67 - Step 4: Simplify right side
108,582.24x = 10,165,654,411.09 - Step 5: Solve for x
x = 10,165,654,411.09/108,582.24 - Step 6: Final answer
x = 93,621.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.