Home / 252,629.80-348,629.19-139,452.55

Finding the Fourth Proportional to 252,629.80, 348,629.19 and 139,452.55

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Solution

The fourth proportional to 252,629.80, 348,629.19 and 139,452.55 is: 192,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,629.80 : 348,629.19 = 139,452.55 : x
  2. Step 2: Convert to fraction form
    252,629.80/348,629.19 = 139,452.55/x
  3. Step 3: Cross multiply
    252,629.80x = 348,629.19 × 139,452.55
  4. Step 4: Simplify right side
    252,629.80x = 48,617,229,549.93
  5. Step 5: Solve for x
    x = 48,617,229,549.93/252,629.80
  6. Step 6: Final answer
    x = 192,444.56

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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.