Finding the Fourth Proportional to 119,011.68, 178,392.94 and 40,098.64
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Solution
The fourth proportional to 119,011.68, 178,392.94 and 40,098.64 is: 60,105.99
Step by Step Solution
- Step 1: Write the proportion equation
119,011.68 : 178,392.94 = 40,098.64 : x - Step 2: Convert to fraction form
119,011.68/178,392.94 = 40,098.64/x - Step 3: Cross multiply
119,011.68x = 178,392.94 × 40,098.64 - Step 4: Simplify right side
119,011.68x = 7,153,314,279.60 - Step 5: Solve for x
x = 7,153,314,279.60/119,011.68 - Step 6: Final answer
x = 60,105.99
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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.