Home / 106,930.56-160,289.28-40,350.72

Finding the Fourth Proportional to 106,930.56, 160,289.28 and 40,350.72

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Solution

The fourth proportional to 106,930.56, 160,289.28 and 40,350.72 is: 60,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,930.56 : 160,289.28 = 40,350.72 : x
  2. Step 2: Convert to fraction form
    106,930.56/160,289.28 = 40,350.72/x
  3. Step 3: Cross multiply
    106,930.56x = 160,289.28 × 40,350.72
  4. Step 4: Simplify right side
    106,930.56x = 6,467,787,856.28
  5. Step 5: Solve for x
    x = 6,467,787,856.28/106,930.56
  6. Step 6: Final answer
    x = 60,485.87

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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.