Home / 103,800.23-155,676.44-40,621.85

Finding the Fourth Proportional to 103,800.23, 155,676.44 and 40,621.85

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Solution

The fourth proportional to 103,800.23, 155,676.44 and 40,621.85 is: 60,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,800.23 : 155,676.44 = 40,621.85 : x
  2. Step 2: Convert to fraction form
    103,800.23/155,676.44 = 40,621.85/x
  3. Step 3: Cross multiply
    103,800.23x = 155,676.44 × 40,621.85
  4. Step 4: Simplify right side
    103,800.23x = 6,323,864,012.72
  5. Step 5: Solve for x
    x = 6,323,864,012.72/103,800.23
  6. Step 6: Final answer
    x = 60,923.41

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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.