Finding the Fourth Proportional to 119,750.91, 165,257.36 and 66,037.78
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Solution
The fourth proportional to 119,750.91, 165,257.36 and 66,037.78 is: 91,132.75
Step by Step Solution
- Step 1: Write the proportion equation
119,750.91 : 165,257.36 = 66,037.78 : x - Step 2: Convert to fraction form
119,750.91/165,257.36 = 66,037.78/x - Step 3: Cross multiply
119,750.91x = 165,257.36 × 66,037.78 - Step 4: Simplify right side
119,750.91x = 10,913,229,678.55 - Step 5: Solve for x
x = 10,913,229,678.55/119,750.91 - Step 6: Final answer
x = 91,132.75
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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.