Finding the Fourth Proportional to 106,563.18, 147,054.95 and 58,163.51
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Solution
The fourth proportional to 106,563.18, 147,054.95 and 58,163.51 is: 80,264.41
Step by Step Solution
- Step 1: Write the proportion equation
106,563.18 : 147,054.95 = 58,163.51 : x - Step 2: Convert to fraction form
106,563.18/147,054.95 = 58,163.51/x - Step 3: Cross multiply
106,563.18x = 147,054.95 × 58,163.51 - Step 4: Simplify right side
106,563.18x = 8,553,231,580.24 - Step 5: Solve for x
x = 8,553,231,580.24/106,563.18 - Step 6: Final answer
x = 80,264.41
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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.