Finding the Fourth Proportional to 149,767.44, 206,662.08 and 86,125.74
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Solution
The fourth proportional to 149,767.44, 206,662.08 and 86,125.74 is: 118,843.75
Step by Step Solution
- Step 1: Write the proportion equation
149,767.44 : 206,662.08 = 86,125.74 : x - Step 2: Convert to fraction form
149,767.44/206,662.08 = 86,125.74/x - Step 3: Cross multiply
149,767.44x = 206,662.08 × 86,125.74 - Step 4: Simplify right side
149,767.44x = 17,798,924,569.94 - Step 5: Solve for x
x = 17,798,924,569.94/149,767.44 - Step 6: Final answer
x = 118,843.75
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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.