Finding the Fourth Proportional to 124,137.12, 171,482.16 and 119,528.53
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Solution
The fourth proportional to 124,137.12, 171,482.16 and 119,528.53 is: 165,115.88
Step by Step Solution
- Step 1: Write the proportion equation
124,137.12 : 171,482.16 = 119,528.53 : x - Step 2: Convert to fraction form
124,137.12/171,482.16 = 119,528.53/x - Step 3: Cross multiply
124,137.12x = 171,482.16 × 119,528.53 - Step 4: Simplify right side
124,137.12x = 20,497,010,525.55 - Step 5: Solve for x
x = 20,497,010,525.55/124,137.12 - Step 6: Final answer
x = 165,115.88
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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.