Finding the Fourth Proportional to 106,533.84, 147,024.92 and 58,791.28
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Solution
The fourth proportional to 106,533.84, 147,024.92 and 58,791.28 is: 81,136.50
Step by Step Solution
- Step 1: Write the proportion equation
106,533.84 : 147,024.92 = 58,791.28 : x - Step 2: Convert to fraction form
106,533.84/147,024.92 = 58,791.28/x - Step 3: Cross multiply
106,533.84x = 147,024.92 × 58,791.28 - Step 4: Simplify right side
106,533.84x = 8,643,783,238.70 - Step 5: Solve for x
x = 8,643,783,238.70/106,533.84 - Step 6: Final answer
x = 81,136.50
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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.