Home / 140,650.27-194,102.72-80,230.75

Finding the Fourth Proportional to 140,650.27, 194,102.72 and 80,230.75

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Solution

The fourth proportional to 140,650.27, 194,102.72 and 80,230.75 is: 110,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,650.27 : 194,102.72 = 80,230.75 : x
  2. Step 2: Convert to fraction form
    140,650.27/194,102.72 = 80,230.75/x
  3. Step 3: Cross multiply
    140,650.27x = 194,102.72 × 80,230.75
  4. Step 4: Simplify right side
    140,650.27x = 15,573,006,802.64
  5. Step 5: Solve for x
    x = 15,573,006,802.64/140,650.27
  6. Step 6: Final answer
    x = 110,721.49

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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.