Finding the Fourth Proportional to 106,990.44, 147,647.52 and 59,246.88
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Solution
The fourth proportional to 106,990.44, 147,647.52 and 59,246.88 is: 81,761.09
Step by Step Solution
- Step 1: Write the proportion equation
106,990.44 : 147,647.52 = 59,246.88 : x - Step 2: Convert to fraction form
106,990.44/147,647.52 = 59,246.88/x - Step 3: Cross multiply
106,990.44x = 147,647.52 × 59,246.88 - Step 4: Simplify right side
106,990.44x = 8,747,654,899.74 - Step 5: Solve for x
x = 8,747,654,899.74/106,990.44 - Step 6: Final answer
x = 81,761.09
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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.