Home / 263,629.35-363,804.01-142,769.66

Finding the Fourth Proportional to 263,629.35, 363,804.01 and 142,769.66

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Solution

The fourth proportional to 263,629.35, 363,804.01 and 142,769.66 is: 197,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,629.35 : 363,804.01 = 142,769.66 : x
  2. Step 2: Convert to fraction form
    263,629.35/363,804.01 = 142,769.66/x
  3. Step 3: Cross multiply
    263,629.35x = 363,804.01 × 142,769.66
  4. Step 4: Simplify right side
    263,629.35x = 51,940,172,638.39
  5. Step 5: Solve for x
    x = 51,940,172,638.39/263,629.35
  6. Step 6: Final answer
    x = 197,019.69

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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.