Finding the Fourth Proportional to 106,992.28, 147,649.33 and 59,245.62
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Solution
The fourth proportional to 106,992.28, 147,649.33 and 59,245.62 is: 81,758.95
Step by Step Solution
- Step 1: Write the proportion equation
106,992.28 : 147,649.33 = 59,245.62 : x - Step 2: Convert to fraction form
106,992.28/147,649.33 = 59,245.62/x - Step 3: Cross multiply
106,992.28x = 147,649.33 × 59,245.62 - Step 4: Simplify right side
106,992.28x = 8,747,576,726.18 - Step 5: Solve for x
x = 8,747,576,726.18/106,992.28 - Step 6: Final answer
x = 81,758.95
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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.