Finding the Fourth Proportional to 119,821.63, 165,354.43 and 66,106.65
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Solution
The fourth proportional to 119,821.63, 165,354.43 and 66,106.65 is: 91,227.50
Step by Step Solution
- Step 1: Write the proportion equation
119,821.63 : 165,354.43 = 66,106.65 : x - Step 2: Convert to fraction form
119,821.63/165,354.43 = 66,106.65/x - Step 3: Cross multiply
119,821.63x = 165,354.43 × 66,106.65 - Step 4: Simplify right side
119,821.63x = 10,931,027,429.96 - Step 5: Solve for x
x = 10,931,027,429.96/119,821.63 - Step 6: Final answer
x = 91,227.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.