Finding the Fourth Proportional to 106,977.24, 147,622.74 and 63,957.60
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Solution
The fourth proportional to 106,977.24, 147,622.74 and 63,957.60 is: 88,257.99
Step by Step Solution
- Step 1: Write the proportion equation
106,977.24 : 147,622.74 = 63,957.60 : x - Step 2: Convert to fraction form
106,977.24/147,622.74 = 63,957.60/x - Step 3: Cross multiply
106,977.24x = 147,622.74 × 63,957.60 - Step 4: Simplify right side
106,977.24x = 9,441,596,155.82 - Step 5: Solve for x
x = 9,441,596,155.82/106,977.24 - Step 6: Final answer
x = 88,257.99
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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.