Home / 103,450.20-155,175.30-44,291.85

Finding the Fourth Proportional to 103,450.20, 155,175.30 and 44,291.85

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Solution

The fourth proportional to 103,450.20, 155,175.30 and 44,291.85 is: 66,437.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,450.20 : 155,175.30 = 44,291.85 : x
  2. Step 2: Convert to fraction form
    103,450.20/155,175.30 = 44,291.85/x
  3. Step 3: Cross multiply
    103,450.20x = 155,175.30 × 44,291.85
  4. Step 4: Simplify right side
    103,450.20x = 6,873,001,111.31
  5. Step 5: Solve for x
    x = 6,873,001,111.31/103,450.20
  6. Step 6: Final answer
    x = 66,437.78

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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.