Home / 167,438.34-251,188.56-55,125.36

Finding the Fourth Proportional to 167,438.34, 251,188.56 and 55,125.36

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Solution

The fourth proportional to 167,438.34, 251,188.56 and 55,125.36 is: 82,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,438.34 : 251,188.56 = 55,125.36 : x
  2. Step 2: Convert to fraction form
    167,438.34/251,188.56 = 55,125.36/x
  3. Step 3: Cross multiply
    167,438.34x = 251,188.56 × 55,125.36
  4. Step 4: Simplify right side
    167,438.34x = 13,846,859,797.88
  5. Step 5: Solve for x
    x = 13,846,859,797.88/167,438.34
  6. Step 6: Final answer
    x = 82,698.26

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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.