Finding the Fourth Proportional to 157,141.38, 235,710.79 and 104,070.87
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Solution
The fourth proportional to 157,141.38, 235,710.79 and 104,070.87 is: 156,105.45
Step by Step Solution
- Step 1: Write the proportion equation
157,141.38 : 235,710.79 = 104,070.87 : x - Step 2: Convert to fraction form
157,141.38/235,710.79 = 104,070.87/x - Step 3: Cross multiply
157,141.38x = 235,710.79 × 104,070.87 - Step 4: Simplify right side
157,141.38x = 24,530,626,723.51 - Step 5: Solve for x
x = 24,530,626,723.51/157,141.38 - Step 6: Final answer
x = 156,105.45
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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.