Finding the Fourth Proportional to 102,890.95, 155,107.61 and 96,032.65
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Solution
The fourth proportional to 102,890.95, 155,107.61 and 96,032.65 is: 144,768.75
Step by Step Solution
- Step 1: Write the proportion equation
102,890.95 : 155,107.61 = 96,032.65 : x - Step 2: Convert to fraction form
102,890.95/155,107.61 = 96,032.65/x - Step 3: Cross multiply
102,890.95x = 155,107.61 × 96,032.65 - Step 4: Simplify right side
102,890.95x = 14,895,394,731.07 - Step 5: Solve for x
x = 14,895,394,731.07/102,890.95 - Step 6: Final answer
x = 144,768.75
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.