Home / 140,579.20-193,994.48-80,169.31

Finding the Fourth Proportional to 140,579.20, 193,994.48 and 80,169.31

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Solution

The fourth proportional to 140,579.20, 193,994.48 and 80,169.31 is: 110,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,579.20 : 193,994.48 = 80,169.31 : x
  2. Step 2: Convert to fraction form
    140,579.20/193,994.48 = 80,169.31/x
  3. Step 3: Cross multiply
    140,579.20x = 193,994.48 × 80,169.31
  4. Step 4: Simplify right side
    140,579.20x = 15,552,402,234.59
  5. Step 5: Solve for x
    x = 15,552,402,234.59/140,579.20
  6. Step 6: Final answer
    x = 110,630.90

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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.