Home / 92,660.44-138,989.04-22,540.36

Finding the Fourth Proportional to 92,660.44, 138,989.04 and 22,540.36

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Solution

The fourth proportional to 92,660.44, 138,989.04 and 22,540.36 is: 33,810.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,660.44 : 138,989.04 = 22,540.36 : x
  2. Step 2: Convert to fraction form
    92,660.44/138,989.04 = 22,540.36/x
  3. Step 3: Cross multiply
    92,660.44x = 138,989.04 × 22,540.36
  4. Step 4: Simplify right side
    92,660.44x = 3,132,862,997.65
  5. Step 5: Solve for x
    x = 3,132,862,997.65/92,660.44
  6. Step 6: Final answer
    x = 33,810.15

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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.