Finding the Fourth Proportional to 106,599.70, 147,107.80 and 58,853.14
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Solution
The fourth proportional to 106,599.70, 147,107.80 and 58,853.14 is: 81,217.45
Step by Step Solution
- Step 1: Write the proportion equation
106,599.70 : 147,107.80 = 58,853.14 : x - Step 2: Convert to fraction form
106,599.70/147,107.80 = 58,853.14/x - Step 3: Cross multiply
106,599.70x = 147,107.80 × 58,853.14 - Step 4: Simplify right side
106,599.70x = 8,657,755,065.82 - Step 5: Solve for x
x = 8,657,755,065.82/106,599.70 - Step 6: Final answer
x = 81,217.45
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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.