Finding the Fourth Proportional to 123,813.99, 185,554.67 and 67,569.84
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Solution
The fourth proportional to 123,813.99, 185,554.67 and 67,569.84 is: 101,263.99
Step by Step Solution
- Step 1: Write the proportion equation
123,813.99 : 185,554.67 = 67,569.84 : x - Step 2: Convert to fraction form
123,813.99/185,554.67 = 67,569.84/x - Step 3: Cross multiply
123,813.99x = 185,554.67 × 67,569.84 - Step 4: Simplify right side
123,813.99x = 12,537,899,025.30 - Step 5: Solve for x
x = 12,537,899,025.30/123,813.99 - Step 6: Final answer
x = 101,263.99
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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.