Home / 140,768.44-211,028.89-73,158.12

Finding the Fourth Proportional to 140,768.44, 211,028.89 and 73,158.12

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Solution

The fourth proportional to 140,768.44, 211,028.89 and 73,158.12 is: 109,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,768.44 : 211,028.89 = 73,158.12 : x
  2. Step 2: Convert to fraction form
    140,768.44/211,028.89 = 73,158.12/x
  3. Step 3: Cross multiply
    140,768.44x = 211,028.89 × 73,158.12
  4. Step 4: Simplify right side
    140,768.44x = 15,438,476,858.09
  5. Step 5: Solve for x
    x = 15,438,476,858.09/140,768.44
  6. Step 6: Final answer
    x = 109,672.86

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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.