Home / 140,906.44-194,470.91-87,208.75

Finding the Fourth Proportional to 140,906.44, 194,470.91 and 87,208.75

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Solution

The fourth proportional to 140,906.44, 194,470.91 and 87,208.75 is: 120,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,906.44 : 194,470.91 = 87,208.75 : x
  2. Step 2: Convert to fraction form
    140,906.44/194,470.91 = 87,208.75/x
  3. Step 3: Cross multiply
    140,906.44x = 194,470.91 × 87,208.75
  4. Step 4: Simplify right side
    140,906.44x = 16,959,564,972.46
  5. Step 5: Solve for x
    x = 16,959,564,972.46/140,906.44
  6. Step 6: Final answer
    x = 120,360.47

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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.