Finding the Fourth Proportional to 106,133.76, 146,461.44 and 58,387.08
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Solution
The fourth proportional to 106,133.76, 146,461.44 and 58,387.08 is: 80,572.44
Step by Step Solution
- Step 1: Write the proportion equation
106,133.76 : 146,461.44 = 58,387.08 : x - Step 2: Convert to fraction form
106,133.76/146,461.44 = 58,387.08/x - Step 3: Cross multiply
106,133.76x = 146,461.44 × 58,387.08 - Step 4: Simplify right side
106,133.76x = 8,551,455,814.20 - Step 5: Solve for x
x = 8,551,455,814.20/106,133.76 - Step 6: Final answer
x = 80,572.44
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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.