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Finding the Fourth Proportional to 143,793.63, 215,691 and 43,953.44

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Solution

The fourth proportional to 143,793.63, 215,691 and 43,953.44 is: 65,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,793.63 : 215,691 = 43,953.44 : x
  2. Step 2: Convert to fraction form
    143,793.63/215,691 = 43,953.44/x
  3. Step 3: Cross multiply
    143,793.63x = 215,691 × 43,953.44
  4. Step 4: Simplify right side
    143,793.63x = 9,480,360,348.59
  5. Step 5: Solve for x
    x = 9,480,360,348.59/143,793.63
  6. Step 6: Final answer
    x = 65,930.32

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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.