Finding the Fourth Proportional to 106,090.29, 146,368.74 and 60,145.02
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Solution
The fourth proportional to 106,090.29, 146,368.74 and 60,145.02 is: 82,979.80
Step by Step Solution
- Step 1: Write the proportion equation
106,090.29 : 146,368.74 = 60,145.02 : x - Step 2: Convert to fraction form
106,090.29/146,368.74 = 60,145.02/x - Step 3: Cross multiply
106,090.29x = 146,368.74 × 60,145.02 - Step 4: Simplify right side
106,090.29x = 8,803,350,794.67 - Step 5: Solve for x
x = 8,803,350,794.67/106,090.29 - Step 6: Final answer
x = 82,979.80
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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.