Home / 140,236.97-210,447.59-51,491.34

Finding the Fourth Proportional to 140,236.97, 210,447.59 and 51,491.34

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Solution

The fourth proportional to 140,236.97, 210,447.59 and 51,491.34 is: 77,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,236.97 : 210,447.59 = 51,491.34 : x
  2. Step 2: Convert to fraction form
    140,236.97/210,447.59 = 51,491.34/x
  3. Step 3: Cross multiply
    140,236.97x = 210,447.59 × 51,491.34
  4. Step 4: Simplify right side
    140,236.97x = 10,836,228,151.41
  5. Step 5: Solve for x
    x = 10,836,228,151.41/140,236.97
  6. Step 6: Final answer
    x = 77,270.84

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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.