Finding the Fourth Proportional to 104,641.14, 156,934.05 and 45,462.99
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Solution
The fourth proportional to 104,641.14, 156,934.05 and 45,462.99 is: 68,182.47
Step by Step Solution
- Step 1: Write the proportion equation
104,641.14 : 156,934.05 = 45,462.99 : x - Step 2: Convert to fraction form
104,641.14/156,934.05 = 45,462.99/x - Step 3: Cross multiply
104,641.14x = 156,934.05 × 45,462.99 - Step 4: Simplify right side
104,641.14x = 7,134,691,145.81 - Step 5: Solve for x
x = 7,134,691,145.81/104,641.14 - Step 6: Final answer
x = 68,182.47
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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.