Home / 131,752.41-197,241.03-81,671.73

Finding the Fourth Proportional to 131,752.41, 197,241.03 and 81,671.73

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Solution

The fourth proportional to 131,752.41, 197,241.03 and 81,671.73 is: 122,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,752.41 : 197,241.03 = 81,671.73 : x
  2. Step 2: Convert to fraction form
    131,752.41/197,241.03 = 81,671.73/x
  3. Step 3: Cross multiply
    131,752.41x = 197,241.03 × 81,671.73
  4. Step 4: Simplify right side
    131,752.41x = 16,109,016,147.08
  5. Step 5: Solve for x
    x = 16,109,016,147.08/131,752.41
  6. Step 6: Final answer
    x = 122,267.34

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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.