Home / 144,764.20-217,146.30-109,772.20

Finding the Fourth Proportional to 144,764.20, 217,146.30 and 109,772.20

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Solution

The fourth proportional to 144,764.20, 217,146.30 and 109,772.20 is: 164,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,764.20 : 217,146.30 = 109,772.20 : x
  2. Step 2: Convert to fraction form
    144,764.20/217,146.30 = 109,772.20/x
  3. Step 3: Cross multiply
    144,764.20x = 217,146.30 × 109,772.20
  4. Step 4: Simplify right side
    144,764.20x = 23,836,627,072.86
  5. Step 5: Solve for x
    x = 23,836,627,072.86/144,764.20
  6. Step 6: Final answer
    x = 164,658.30

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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.