Finding the Fourth Proportional to 125,985.54, 173,860.52 and 69,396.78
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Solution
The fourth proportional to 125,985.54, 173,860.52 and 69,396.78 is: 95,767.82
Step by Step Solution
- Step 1: Write the proportion equation
125,985.54 : 173,860.52 = 69,396.78 : x - Step 2: Convert to fraction form
125,985.54/173,860.52 = 69,396.78/x - Step 3: Cross multiply
125,985.54x = 173,860.52 × 69,396.78 - Step 4: Simplify right side
125,985.54x = 12,065,360,257.13 - Step 5: Solve for x
x = 12,065,360,257.13/125,985.54 - Step 6: Final answer
x = 95,767.82
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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.