Finding the Fourth Proportional to 106,137.14, 146,465.70 and 58,390.08
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Solution
The fourth proportional to 106,137.14, 146,465.70 and 58,390.08 is: 80,576.36
Step by Step Solution
- Step 1: Write the proportion equation
106,137.14 : 146,465.70 = 58,390.08 : x - Step 2: Convert to fraction form
106,137.14/146,465.70 = 58,390.08/x - Step 3: Cross multiply
106,137.14x = 146,465.70 × 58,390.08 - Step 4: Simplify right side
106,137.14x = 8,552,143,940.26 - Step 5: Solve for x
x = 8,552,143,940.26/106,137.14 - Step 6: Final answer
x = 80,576.36
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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.