Finding the Fourth Proportional to 145,922.41, 201,372.93 and 78,854.41
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Solution
The fourth proportional to 145,922.41, 201,372.93 and 78,854.41 is: 108,819.09
Step by Step Solution
- Step 1: Write the proportion equation
145,922.41 : 201,372.93 = 78,854.41 : x - Step 2: Convert to fraction form
145,922.41/201,372.93 = 78,854.41/x - Step 3: Cross multiply
145,922.41x = 201,372.93 × 78,854.41 - Step 4: Simplify right side
145,922.41x = 15,879,143,585.12 - Step 5: Solve for x
x = 15,879,143,585.12/145,922.41 - Step 6: Final answer
x = 108,819.09
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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.