Home / 154,232.37-212,755.19-89,694.54

Finding the Fourth Proportional to 154,232.37, 212,755.19 and 89,694.54

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Solution

The fourth proportional to 154,232.37, 212,755.19 and 89,694.54 is: 123,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,232.37 : 212,755.19 = 89,694.54 : x
  2. Step 2: Convert to fraction form
    154,232.37/212,755.19 = 89,694.54/x
  3. Step 3: Cross multiply
    154,232.37x = 212,755.19 × 89,694.54
  4. Step 4: Simplify right side
    154,232.37x = 19,082,978,451.19
  5. Step 5: Solve for x
    x = 19,082,978,451.19/154,232.37
  6. Step 6: Final answer
    x = 123,728.75

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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.