Home / 252,627.80-348,626.43-139,450.55

Finding the Fourth Proportional to 252,627.80, 348,626.43 and 139,450.55

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Solution

The fourth proportional to 252,627.80, 348,626.43 and 139,450.55 is: 192,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,627.80 : 348,626.43 = 139,450.55 : x
  2. Step 2: Convert to fraction form
    252,627.80/348,626.43 = 139,450.55/x
  3. Step 3: Cross multiply
    252,627.80x = 348,626.43 × 139,450.55
  4. Step 4: Simplify right side
    252,627.80x = 48,616,145,664.90
  5. Step 5: Solve for x
    x = 48,616,145,664.90/252,627.80
  6. Step 6: Final answer
    x = 192,441.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.