Home / 140,780.22-211,016.73-51,958.86

Finding the Fourth Proportional to 140,780.22, 211,016.73 and 51,958.86

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Solution

The fourth proportional to 140,780.22, 211,016.73 and 51,958.86 is: 77,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,780.22 : 211,016.73 = 51,958.86 : x
  2. Step 2: Convert to fraction form
    140,780.22/211,016.73 = 51,958.86/x
  3. Step 3: Cross multiply
    140,780.22x = 211,016.73 × 51,958.86
  4. Step 4: Simplify right side
    140,780.22x = 10,964,188,731.73
  5. Step 5: Solve for x
    x = 10,964,188,731.73/140,780.22
  6. Step 6: Final answer
    x = 77,881.60

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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.