Finding the Fourth Proportional to 119,820.96, 179,594.77 and 74,862.99
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Solution
The fourth proportional to 119,820.96, 179,594.77 and 74,862.99 is: 112,209.09
Step by Step Solution
- Step 1: Write the proportion equation
119,820.96 : 179,594.77 = 74,862.99 : x - Step 2: Convert to fraction form
119,820.96/179,594.77 = 74,862.99/x - Step 3: Cross multiply
119,820.96x = 179,594.77 × 74,862.99 - Step 4: Simplify right side
119,820.96x = 13,445,000,609.92 - Step 5: Solve for x
x = 13,445,000,609.92/119,820.96 - Step 6: Final answer
x = 112,209.09
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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.