Home / 154,439.19-231,584.58-65,644.56

Finding the Fourth Proportional to 154,439.19, 231,584.58 and 65,644.56

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Solution

The fourth proportional to 154,439.19, 231,584.58 and 65,644.56 is: 98,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.19 : 231,584.58 = 65,644.56 : x
  2. Step 2: Convert to fraction form
    154,439.19/231,584.58 = 65,644.56/x
  3. Step 3: Cross multiply
    154,439.19x = 231,584.58 × 65,644.56
  4. Step 4: Simplify right side
    154,439.19x = 15,202,267,856.88
  5. Step 5: Solve for x
    x = 15,202,267,856.88/154,439.19
  6. Step 6: Final answer
    x = 98,435.30

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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.