Home / 146,072.80-219,044.40-67,211.20

Finding the Fourth Proportional to 146,072.80, 219,044.40 and 67,211.20

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Solution

The fourth proportional to 146,072.80, 219,044.40 and 67,211.20 is: 100,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,072.80 : 219,044.40 = 67,211.20 : x
  2. Step 2: Convert to fraction form
    146,072.80/219,044.40 = 67,211.20/x
  3. Step 3: Cross multiply
    146,072.80x = 219,044.40 × 67,211.20
  4. Step 4: Simplify right side
    146,072.80x = 14,722,236,977.28
  5. Step 5: Solve for x
    x = 14,722,236,977.28/146,072.80
  6. Step 6: Final answer
    x = 100,786.98

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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.