Finding the Fourth Proportional to 106,400.13, 146,833.19 and 58,655.19
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Solution
The fourth proportional to 106,400.13, 146,833.19 and 58,655.19 is: 80,944.72
Step by Step Solution
- Step 1: Write the proportion equation
106,400.13 : 146,833.19 = 58,655.19 : x - Step 2: Convert to fraction form
106,400.13/146,833.19 = 58,655.19/x - Step 3: Cross multiply
106,400.13x = 146,833.19 × 58,655.19 - Step 4: Simplify right side
106,400.13x = 8,612,528,657.76 - Step 5: Solve for x
x = 8,612,528,657.76/106,400.13 - Step 6: Final answer
x = 80,944.72
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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.