Home / 198,280.65-273,629.43-107,637.48

Finding the Fourth Proportional to 198,280.65, 273,629.43 and 107,637.48

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Solution

The fourth proportional to 198,280.65, 273,629.43 and 107,637.48 is: 148,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,280.65 : 273,629.43 = 107,637.48 : x
  2. Step 2: Convert to fraction form
    198,280.65/273,629.43 = 107,637.48/x
  3. Step 3: Cross multiply
    198,280.65x = 273,629.43 × 107,637.48
  4. Step 4: Simplify right side
    198,280.65x = 29,452,782,299.04
  5. Step 5: Solve for x
    x = 29,452,782,299.04/198,280.65
  6. Step 6: Final answer
    x = 148,540.88

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1.5x scale

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.