Home / 140,580.20-193,995.85-80,170.31

Finding the Fourth Proportional to 140,580.20, 193,995.85 and 80,170.31

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Solution

The fourth proportional to 140,580.20, 193,995.85 and 80,170.31 is: 110,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,580.20 : 193,995.85 = 80,170.31 : x
  2. Step 2: Convert to fraction form
    140,580.20/193,995.85 = 80,170.31/x
  3. Step 3: Cross multiply
    140,580.20x = 193,995.85 × 80,170.31
  4. Step 4: Simplify right side
    140,580.20x = 15,552,707,433.21
  5. Step 5: Solve for x
    x = 15,552,707,433.21/140,580.20
  6. Step 6: Final answer
    x = 110,632.28

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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.