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Finding the Fourth Proportional to 161,651.62, 223,171.77 and 108,027.46

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Solution

The fourth proportional to 161,651.62, 223,171.77 and 108,027.46 is: 149,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,651.62 : 223,171.77 = 108,027.46 : x
  2. Step 2: Convert to fraction form
    161,651.62/223,171.77 = 108,027.46/x
  3. Step 3: Cross multiply
    161,651.62x = 223,171.77 × 108,027.46
  4. Step 4: Simplify right side
    161,651.62x = 24,108,679,456.80
  5. Step 5: Solve for x
    x = 24,108,679,456.80/161,651.62
  6. Step 6: Final answer
    x = 149,139.73

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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.