Finding the Fourth Proportional to 125,177.40, 172,686.84 and 110,851.80
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Solution
The fourth proportional to 125,177.40, 172,686.84 and 110,851.80 is: 152,924.15
Step by Step Solution
- Step 1: Write the proportion equation
125,177.40 : 172,686.84 = 110,851.80 : x - Step 2: Convert to fraction form
125,177.40/172,686.84 = 110,851.80/x - Step 3: Cross multiply
125,177.40x = 172,686.84 × 110,851.80 - Step 4: Simplify right side
125,177.40x = 19,142,647,050.31 - Step 5: Solve for x
x = 19,142,647,050.31/125,177.40 - Step 6: Final answer
x = 152,924.15
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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.