Home / 109,964.64-164,834.28-43,377.78

Finding the Fourth Proportional to 109,964.64, 164,834.28 and 43,377.78

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Solution

The fourth proportional to 109,964.64, 164,834.28 and 43,377.78 is: 65,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,964.64 : 164,834.28 = 43,377.78 : x
  2. Step 2: Convert to fraction form
    109,964.64/164,834.28 = 43,377.78/x
  3. Step 3: Cross multiply
    109,964.64x = 164,834.28 × 43,377.78
  4. Step 4: Simplify right side
    109,964.64x = 7,150,145,134.30
  5. Step 5: Solve for x
    x = 7,150,145,134.30/109,964.64
  6. Step 6: Final answer
    x = 65,022.22

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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.