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Finding the Fourth Proportional to 181,217.71, 250,073.58 and 100,650.43

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Solution

The fourth proportional to 181,217.71, 250,073.58 and 100,650.43 is: 138,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,217.71 : 250,073.58 = 100,650.43 : x
  2. Step 2: Convert to fraction form
    181,217.71/250,073.58 = 100,650.43/x
  3. Step 3: Cross multiply
    181,217.71x = 250,073.58 × 100,650.43
  4. Step 4: Simplify right side
    181,217.71x = 25,170,013,358.64
  5. Step 5: Solve for x
    x = 25,170,013,358.64/181,217.71
  6. Step 6: Final answer
    x = 138,893.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.