Home / 230,103.28-345,013.97-89,697.88

Finding the Fourth Proportional to 230,103.28, 345,013.97 and 89,697.88

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Solution

The fourth proportional to 230,103.28, 345,013.97 and 89,697.88 is: 134,491.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,103.28 : 345,013.97 = 89,697.88 : x
  2. Step 2: Convert to fraction form
    230,103.28/345,013.97 = 89,697.88/x
  3. Step 3: Cross multiply
    230,103.28x = 345,013.97 × 89,697.88
  4. Step 4: Simplify right side
    230,103.28x = 30,947,019,954.31
  5. Step 5: Solve for x
    x = 30,947,019,954.31/230,103.28
  6. Step 6: Final answer
    x = 134,491.87

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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.