Finding the Fourth Proportional to 99,166.67, 136,836.23 and 58,332.65
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Solution
The fourth proportional to 99,166.67, 136,836.23 and 58,332.65 is: 80,490.95
Step by Step Solution
- Step 1: Write the proportion equation
99,166.67 : 136,836.23 = 58,332.65 : x - Step 2: Convert to fraction form
99,166.67/136,836.23 = 58,332.65/x - Step 3: Cross multiply
99,166.67x = 136,836.23 × 58,332.65 - Step 4: Simplify right side
99,166.67x = 7,982,019,911.91 - Step 5: Solve for x
x = 7,982,019,911.91/99,166.67 - Step 6: Final answer
x = 80,490.95
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1.5x scale
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.