Home / 263,629.32-363,806.65-142,767.84

Finding the Fourth Proportional to 263,629.32, 363,806.65 and 142,767.84

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Solution

The fourth proportional to 263,629.32, 363,806.65 and 142,767.84 is: 197,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,629.32 : 363,806.65 = 142,767.84 : x
  2. Step 2: Convert to fraction form
    263,629.32/363,806.65 = 142,767.84/x
  3. Step 3: Cross multiply
    263,629.32x = 363,806.65 × 142,767.84
  4. Step 4: Simplify right side
    263,629.32x = 51,939,888,884.30
  5. Step 5: Solve for x
    x = 51,939,888,884.30/263,629.32
  6. Step 6: Final answer
    x = 197,018.64

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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.