Finding the Fourth Proportional to 102,237.15, 153,579.29 and 72,843.87
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Solution
The fourth proportional to 102,237.15, 153,579.29 and 72,843.87 is: 109,425.09
Step by Step Solution
- Step 1: Write the proportion equation
102,237.15 : 153,579.29 = 72,843.87 : x - Step 2: Convert to fraction form
102,237.15/153,579.29 = 72,843.87/x - Step 3: Cross multiply
102,237.15x = 153,579.29 × 72,843.87 - Step 4: Simplify right side
102,237.15x = 11,187,309,471.23 - Step 5: Solve for x
x = 11,187,309,471.23/102,237.15 - Step 6: Final answer
x = 109,425.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.