Home / 103,006.21-154,609.19-49,735.77

Finding the Fourth Proportional to 103,006.21, 154,609.19 and 49,735.77

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Solution

The fourth proportional to 103,006.21, 154,609.19 and 49,735.77 is: 74,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,006.21 : 154,609.19 = 49,735.77 : x
  2. Step 2: Convert to fraction form
    103,006.21/154,609.19 = 49,735.77/x
  3. Step 3: Cross multiply
    103,006.21x = 154,609.19 × 49,735.77
  4. Step 4: Simplify right side
    103,006.21x = 7,689,606,865.05
  5. Step 5: Solve for x
    x = 7,689,606,865.05/103,006.21
  6. Step 6: Final answer
    x = 74,651.88

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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.