Home / 154,601.32-231,912.78-49,428.76

Finding the Fourth Proportional to 154,601.32, 231,912.78 and 49,428.76

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Solution

The fourth proportional to 154,601.32, 231,912.78 and 49,428.76 is: 74,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,601.32 : 231,912.78 = 49,428.76 : x
  2. Step 2: Convert to fraction form
    154,601.32/231,912.78 = 49,428.76/x
  3. Step 3: Cross multiply
    154,601.32x = 231,912.78 × 49,428.76
  4. Step 4: Simplify right side
    154,601.32x = 11,463,161,143.55
  5. Step 5: Solve for x
    x = 11,463,161,143.55/154,601.32
  6. Step 6: Final answer
    x = 74,146.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.