Home / 105,376.30-158,175.84-102,996.57

Finding the Fourth Proportional to 105,376.30, 158,175.84 and 102,996.57

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Solution

The fourth proportional to 105,376.30, 158,175.84 and 102,996.57 is: 154,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,376.30 : 158,175.84 = 102,996.57 : x
  2. Step 2: Convert to fraction form
    105,376.30/158,175.84 = 102,996.57/x
  3. Step 3: Cross multiply
    105,376.30x = 158,175.84 × 102,996.57
  4. Step 4: Simplify right side
    105,376.30x = 16,291,568,185.99
  5. Step 5: Solve for x
    x = 16,291,568,185.99/105,376.30
  6. Step 6: Final answer
    x = 154,603.73

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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.