Home / 109,943.20-164,882.40-43,361.20

Finding the Fourth Proportional to 109,943.20, 164,882.40 and 43,361.20

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Solution

The fourth proportional to 109,943.20, 164,882.40 and 43,361.20 is: 65,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,943.20 : 164,882.40 = 43,361.20 : x
  2. Step 2: Convert to fraction form
    109,943.20/164,882.40 = 43,361.20/x
  3. Step 3: Cross multiply
    109,943.20x = 164,882.40 × 43,361.20
  4. Step 4: Simplify right side
    109,943.20x = 7,149,498,722.88
  5. Step 5: Solve for x
    x = 7,149,498,722.88/109,943.20
  6. Step 6: Final answer
    x = 65,029.02

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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.