Home / 154,517.92-231,812.82-47,896.21

Finding the Fourth Proportional to 154,517.92, 231,812.82 and 47,896.21

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Solution

The fourth proportional to 154,517.92, 231,812.82 and 47,896.21 is: 71,855.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,517.92 : 231,812.82 = 47,896.21 : x
  2. Step 2: Convert to fraction form
    154,517.92/231,812.82 = 47,896.21/x
  3. Step 3: Cross multiply
    154,517.92x = 231,812.82 × 47,896.21
  4. Step 4: Simplify right side
    154,517.92x = 11,102,955,507.41
  5. Step 5: Solve for x
    x = 11,102,955,507.41/154,517.92
  6. Step 6: Final answer
    x = 71,855.46

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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.