Finding the Fourth Proportional to 106,934.84, 147,578.70 and 59,203.44
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Solution
The fourth proportional to 106,934.84, 147,578.70 and 59,203.44 is: 81,705.52
Step by Step Solution
- Step 1: Write the proportion equation
106,934.84 : 147,578.70 = 59,203.44 : x - Step 2: Convert to fraction form
106,934.84/147,578.70 = 59,203.44/x - Step 3: Cross multiply
106,934.84x = 147,578.70 × 59,203.44 - Step 4: Simplify right side
106,934.84x = 8,737,166,710.73 - Step 5: Solve for x
x = 8,737,166,710.73/106,934.84 - Step 6: Final answer
x = 81,705.52
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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.