Home / 146,257.21-219,422.72-67,426.80

Finding the Fourth Proportional to 146,257.21, 219,422.72 and 67,426.80

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Solution

The fourth proportional to 146,257.21, 219,422.72 and 67,426.80 is: 101,157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,257.21 : 219,422.72 = 67,426.80 : x
  2. Step 2: Convert to fraction form
    146,257.21/219,422.72 = 67,426.80/x
  3. Step 3: Cross multiply
    146,257.21x = 219,422.72 × 67,426.80
  4. Step 4: Simplify right side
    146,257.21x = 14,794,971,202.63
  5. Step 5: Solve for x
    x = 14,794,971,202.63/146,257.21
  6. Step 6: Final answer
    x = 101,157.21

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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.