Home / 104,428.90-156,515.10-41,185.54

Finding the Fourth Proportional to 104,428.90, 156,515.10 and 41,185.54

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Solution

The fourth proportional to 104,428.90, 156,515.10 and 41,185.54 is: 61,727.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.90 : 156,515.10 = 41,185.54 : x
  2. Step 2: Convert to fraction form
    104,428.90/156,515.10 = 41,185.54/x
  3. Step 3: Cross multiply
    104,428.90x = 156,515.10 × 41,185.54
  4. Step 4: Simplify right side
    104,428.90x = 6,446,158,911.65
  5. Step 5: Solve for x
    x = 6,446,158,911.65/104,428.90
  6. Step 6: Final answer
    x = 61,727.73

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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.